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BackgroundDespite being disproportionately impacted by COVID-19 due to a lack of structural support, marginalized communities have been largely ignored in the politically polarized debate over school masking. In response to this, we sought to explore masking attitudes by centering the voices of parents and children at historically marginalized, predominantly Hispanic schools in southern California.MethodsWe conducted a mixed-methods study with parents and children attending 26 low-income predominantly Hispanic-serving elementary schools. A random sample of parents was asked to provide a freelist of words they associate with masking. A subset of parents with children aged 4-6 was recruited from these surveys to participate in parent-child interviews (PCI). We calculated Smith's salience index for all unique items, stratifying by language (English/Spanish). Item salience guided PCI thematic analysis for additional context and meaning.Results648 participants provided 1118 unique freelist items in English and Spanish. 19 parent-child pairs were interviewed, 11 in Spanish and 8 in English. The most salient words were "safety"(0.37), "protection"(0.12), "prevention"(0.05), "health"(0.04), "good"(0.03), "can't breathe"(0.03), "necessary"(0.02), "care"(0.02), "precaution"(0.02), and "unnecessary"(0.02). Spanish speakers had a more favorable view of masking than English speakers, particularly regarding "protection" (0.20 vs 0.08) and "prevention" (0.10 vs 0.02).DiscussionMasking is an affordable individual-level risk mitigation that protects the communities that have inequitably shouldered the burdens of the COVID-19 pandemic. We recommend that policymakers prioritize the views of those most impacted when deciding on risk mitigation policies like school masking.

BackgroundWearing a mask was a crucial component in slowing the COVID-19 pandemic. However, little is known about the intersectionality between mask usage, risk perception, and infection. The purpose of this study was to investigate whether risk perceptions and masking behaviors are associated with contracting SARS-CoV-2 and how contracting SARS-CoV-2 subsequently changes masking behaviors in specific situations.MethodsThis cohort study utilized survey data from the UC San Diego ZAP COVID-19 study (n = 1,230) to evaluate the risk of contracting SARS-CoV-2 in relation to baseline risk perceptions and masking behaviors in various situations and how contracting SARS-CoV-2 affects subsequent masking behavior.ResultsWe found that more consistent self-reported mask use in indoor public spaces (p = 0.03) and in other people's houses (p = 0.002) was associated with remaining free of SARS-CoV-2 infection. We also found that contracting SARS-CoV-2 was associated with a subsequent increase in mask use in other people's houses (p = 0.01).ConclusionsOur findings suggest that consistent mask use is correlated with decreased infection and that contracting SARS-CoV-2 may modify mask use behaviors in high-risk situations. These findings may help inform future public health messaging for infectious disease prevention.Trial registrationThis study has not been previously registered as it is an observational study. There was no pre-registration of the analytic plan for the present study.

Objectives: To understand college and university student knowledge, attitudes, and behaviors (KAB) regarding COVID-19 prevention strategies. Methods: Thirteen colleges and universities volunteered to conduct an anonymous electronic survey in April 2021 to assess students' KAB about mask use and vaccination to prevent COVID-19. Results: Three-quarters of students indicated they "Always" wore a mask correctly when in public indoor places. Of those not yet vaccinated, 55% expressed concern about unknown side effects. Over half of students were unsure or believe they do not need to continue wearing masks after vaccination and older students more likely to be vaccinated. There was a significant inverse correlation between intention of getting vaccinated and intention to attend a large indoor party without a mask. Conclusions: Colleges and universities are important to community efforts to slow the COVID-19 pandemic. The KAB findings can inform approaches to increase overall mask use and vaccination uptake among young students. [ABSTRACT FROM AUTHOR]

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Background: The COVID‐19 pandemic, caused by the SARS‐CoV‐2 virus, has resulted in illness, deaths and societal disruption on a global scale. Societies have implemented various control measures to reduce transmission of the virus and mitigate its impact. Individual behavioural changes are crucial to the successful implementation of these measures. One commonly recommended measure to limit risk of infection is face covering. It is important to identify those factors that can predict the uptake and maintenance of face covering. Objectives: We aimed to identify and synthesise the evidence on malleable psychological and psychosocial factors that determine uptake and adherence to face covering aimed at reducing the risk of infection or transmission of COVID‐19. Search Methods: We searched various literature sources including electronic databases (Medline ALL, Child Development & Adolescent Studies, ERIC, PsycInfo, CINAHL & Web of Science), web searches, conference proceedings, government reports, other repositories of literature and grey literature. The search strategy was built around three concepts of interest including (1) context (terms relating to COVID19), (2) behaviour of interest and (3) terms related to psychological and psychosocial determinants of COVID Health‐Related Behaviours and adherence or compliance with face covering, to capture malleable determines. Searches capture studies up until October 2021. Selection Criteria: Eligibility criteria included observational studies (both retrospective and prospective) and experimental studies that measure and report malleable psychological and psychosocial determinants and handwashing at an individual level, amongst the general public. Screening was supported by the Cochrane Crowd. Studies titles and abstracts were screened against the eligibility criteria by three independent screeners. Following this, all potentially relevant studies were screened at full‐text level by the research team. All conflicts between screeners were resolved by discussion between the core research team. Data Collection and Analysis: All data extraction was managed in EPPI‐Reviewer software. All eligible studies, identified through full‐text screening were extracted by one author. We extracted data on study information, population, determinant, behaviour and effects. A second author checked data extraction on 20% of all included papers. All conflicts were discussed by the two authors until consensus was reached. We assessed methodological quality of all included studies using an adapted version of the Joanna Briggs Institute Quality appraisal tool for cross‐sectional studies. Main Results: Our initial searches yielded 23,587 results, of which 23 were included in this review. The included studies were cross‐sectional in design, came from nine countries and had a combined sample of 54,401 participants. The vast majority of studies had samples from the general public, with five of the studies focusing on specific samples. All included studies considered people over the age of 18. The quality of 10 of the studies was rated as unclear, 10 were rated as low, and 3 rated high risk of bias, predominately due to lack of reporting of recruitment, sample characteristics and methodology. Ten studies were included in the meta‐analysis and 16 in the narrative synthesis. Findings from the meta‐analysis indicated that knowledge of COVID‐19 (0.341, 95% confidence interval [CI] = 0.06, 0.530, I2 = 100%) was the malleable determinant most associated with face covering behaviour. Perceived susceptibility of COVID‐19 (r = 0.088, 95% CI = −0.004, 0.180, I2 = 80%) and COVID‐related worry and anxiety (r = 0.064, 95% CI = −0.066, 0.191, I2 = 93% had little to no effect on face covering behaviour. In the narrative synthesis, the strongest association was found between perceived benefits and effectiveness of behaviours and mask wearing behaviour. Authors' Conclusions: Understanding the effects of various malleable determinants on COVID‐related face covering can aid in the development and implementation of interventions and public health campaigns to promote face covering behaviour in potential new waves of COVID‐19 or other respiratory infections. Knowledge of COVID and perceived benefits of face coverings warrant further consideration in future research and policy. [ABSTRACT FROM AUTHOR]

Purpose: This study aimed to determine whether early-stage intraocular pressure can be modulated using a thermal face mask. Methods: In this prospective clinical study, healthy participants were randomized on a 1:1:1 allocation ratio to three mask groups: hypothermic (G1), normothermic (G2), and hyperthermic (G3). After randomization, 108 eyes from 108 participants were submitted to clinical evaluations, including measurement of initial intraocular pressure (T1). The thermal mask was then applied for 10 minutes, followed by a second evaluation of intraocular pressure (T2) and assessment of any side effects. Results: The hypothermic group (G1) showed a significant reduction in mean intraocular pressure between T1 (16.97 ± 2.59 mmHg) and T2 (14.97 ± 2.44 mmHg) (p<0.001). G2 showed no significant pressure difference between T1 (16.50 ± 2.55 mmHg) and T2 (17.00 ± 2.29 mmHg) (p=0.054). G3 showed a significant increase in pressure from T1 (16.53 ± 2.69 mmHg) to T2 (18.58 ± 2.95 mmHg) (p<0.001). At T1, there was no difference between the three study groups (p=0.823), but at T2, the mean values of G3 were significantly higher than those of G1 and G2 (p<0.00). Conclusion: Temperature was shown to significantly modify intraocular pressure. Thermal masks allow the application of temperature in a controlled, reproducible manner. Further studies are needed to assess the duration of these effects and whether they are reproducible in patients with pathologies that affect intraocular pressure. [ABSTRACT FROM AUTHOR]

In modern times, protective masks with flexible loops are commonly used to prevent the spread of microorganisms during surgical procedure the constant contact of the stretching bands caused by wearing a mask for several hours' daily causes pressure on this cartilage, leading to painful and erythematous lesions on the skin behind the auricles. Patients and the public now wear masks for extended periods of time. Over time, wearing this mask frequently can cause damage to the ear. Consequently, people regularly switch out their masks to alleviate pressure, increasing their chances of getting infected. Doctors and other healthcare professionals should be aware that continued use may cause damage to the ears and auricles. This article addresses a novel method to alleviate stress on the ear loops of surgical masks and examines the typical ear injuries or pressure injuries on the ear mentioned in literature regarding prolonged mask usage and ways to prevent them. [ABSTRACT FROM AUTHOR]

Masquerades form an important part of indigenous African religions, and headpieces of masks are found all over the world as an iconic African art form. Contrary to expectation, however, the geographical distribution of masking is very restricted, occurring only in three areas of the continent, mainly situated in the forested zones. I explain this peculiar distribution by tracing the ecological and historical parameters of the societies that harbor mask rituals. The main ecological factors are the absence of cattle and the type of horticulture, while a crucial historical element is the long history of slave raiding and trading to which the continent has been subjected. These factors have led to societies in which both gender and local power arrangements show a marked indeterminacy, operating as internal arenas between men and women, and between different groups of men. Crucial in the explanation of masquerades is the fact that masking is completely absent from societies that practice cattle husbandry with the Bos indicus species (zebu). Since sleeping sickness prohibits cattle husbandry, wherever the tsetse fly thrives, masks appear. [ABSTRACT FROM AUTHOR]

Purpose: Even after allergic rhinitis is diagnosed and treated, various symptoms such as runny nose, sneezing, and itchy nose recur periodically due to various environmental factors. Methods: This randomized controlled trial was conducted to confirm the effectiveness of mask-based aromatherapy as a method of alleviating allergic rhinitis during the coronavirus disease 2019 (COVID-19) pandemic. The study participants were adults between the ages of 19 and 60 who were diagnosed with allergic rhinitis and had a Total Nasal Symptom Score (TNSS) of 2 or more. Participants were randomly assigned to an aromatherapy group that was provided aromatherapy essential oils and a control group that did not receive aromatherapy. Participants in the aromatherapy group were asked to drop an aromatherapy essential oil onto a disposable face mask and wear it twice a day for two weeks. Results: The aromatherapy group experience significant alleviation of allergic rhinitis symptoms (visual analogue scale, F = 11.22, p < .001; TNSS, F = 15.82, p < .001). The aromatherapy group also showed significantly higher improvements in fatigue (F = 8.28, p < .001), allergic rhinitis-specific quality of life (F = 11.12, p < . 001). Conclusion: The oils used in this study appeared to be effective in relieving the symptoms of allergic rhinitis. In particular, the mask drop inhalation method was applied in light of mandatory mask-wearing due to the global COVID-19 pandemic during this study period. Mask drop inhalation is a method of inhaling oil close to the nose and is considered an effective method for reducing the inconvenience of applying oil. [ABSTRACT FROM AUTHOR]

This study aimed to evaluate and design masks against viruses, especially SARS-CoV-2 associated with COVID-19. A continuum filtration model was developed where the rate of particle deposition and "sticking" on the filter fibers is a critical term in the mass transfer, together with permeation velocity, filter porosity, tortuosity, and Brownian diffusion. CFD simulations of the airflow during respiration lead to the recommendation that the filter permeability should be above 4 × 10−11 m2 to direct the airflow for effectiveness against virus particles; otherwise, low filter permeabilities cause the unfiltered air to flow preferentially through the leak gaps between the mask and the headform. Different mask filters with microstructural and geometry data from the literature are assessed via filtration simulations for breathability and filtration efficiency. The results demonstrate that a surgical mask of 25% porosity, pore size of 150 µm and permeability of 4.4 × 10−11 m2 can achieve 100% minimum efficiency while demonstrating high breathability, complying with the criteria of FFP3, N95, and surgical Class II and IIR masks. Selected cotton and synthetic cloths as well as electrospun fiber layers are predicted to comply with FFP2, N95, and surgical mask Class II and IIR standards. [ABSTRACT FROM AUTHOR]

Purpose: Cardiac CT is a valuable diagnostic tool in evaluating cardiovascular diseases. Accurate segmentation of the heart and its structures from cardiac CT and MRI images is essential for diagnosing functional abnormalities, treatment plans and cardiovascular diseases management. Accurate segmentation and quantitative assessments are still a challenge. Manual delineation of the heart from the scan images is labour-intensive, time-consuming, and error prone as it depends on the radiologist's experience. Thus, automated techniques are highly desirable as they can significantly improve the efficiency and accuracy of image analysis. Method: This work addresses the above problems. A new, image-driven, fast, and fully automatic segmentation method was developed to segment the heart from CT images using a processing pipeline of adaptive median filter, multi-level thresholding, active contours, mathematical morphology, and the knowledge of human anatomy to delineate the regions of interest. Results: The algorithm proposed is simple to implement and validate and requires no human intervention. The method is tested on the 'Image CHD' DICOM images (multi-centre, clinically approved single-phase de-identified images), and the results obtained were validated against the ground truths provided with the dataset. The results show an average Dice score, Jaccard score, and Hausdorff distance of 0.866, 0.776, and 33.29 mm, respectively, for the segmentation of the heart's chambers, aorta, and blood vessels. The results and the ground truths were compared using Bland-Altmon plots. Conclusion: The heart was correctly segmented from the CT images using the proposed method. Further this segmentation technique can be used to develop AI based solutions for segmentation. [ABSTRACT FROM AUTHOR]

Wildland firefighters are exposed to airborne particulates, polycyclic aromatic hydrocarbons (PAHs), and other hazardous substances. Respiratory protection is indicated, but information is lacking on the tasks and conditions for which mask wearing should be advised. Studies to assess respiratory protection in wildland firefighters were carried out in western Canada in 2021 and 2023. Sampling pumps measured airborne exposures and urinary 1-hydroxypyrene (1-HP) was assayed to indicate PAH absorption. Participants in 2021 reported the time for which they wore the mask during each task. In 2023, the use of masks was reported, and firefighters rated the smoke intensity. In 2021, 72 firefighters were monitored over 164 shifts and, in 2023, 89 firefighters were monitored for 263 shifts. In 2021, mask wearing was highest for those engaged in initial attack and hot spotting. Urinary 1-HP at the end of rotation was highest for those reporting initial attack, working on a prescribed fire and mop-up. In 2023, firefighter ratings of smoke intensity were strongly associated with measured particulate mass and with urinary 1-HP, but masks were not worn more often when there was higher smoke intensity. The data from the literature did not provide a clear indication of high-exposure tasks. Better task/exposure information is needed for firefighters to make informed decisions about mask wearing. [ABSTRACT FROM AUTHOR]

New or infrequently contacted stimuli may present challenges for people with intellectual disabilities (ID) and autism spectrum disorder (ASD). Throughout the Covid‐19 pandemic, facemasks emerged as a new stimulus that may cause distress, especially for those who may not understand the need for a mask. Further, the inability to tolerate wearing a facemask could limit safe access to public locations for people with ID and ASD. Most approaches to increasing health routines involve some form of escape extinction, a practice that may not be feasible or safe for some individuals and in some settings. As an alternative, approaches based on adapting stimulus features, including preferences, and positive reinforcement, may produce equally effective interventions. To evaluate this, we first assessed preference of eight adults with ID living in a residential facility, for four different types of facemasks and the standard facility face masks. Access to a variety of masks increased mask‐wearing for two participants. We then evaluated reinforcement schedule manipulations without escape extinction to increase mask wearing for four participants from Study 1. For all four participants, we successfully increased mask wearing using a reinforcement schedule that was sustainable in their everyday environment. [ABSTRACT FROM AUTHOR]

Wearing a facemask remains a pivotal strategy to prevent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection even after vaccination, but one of the possible costs of this protection is that it may interfere with the ability to read emotion in facial expressions. We explored the extent to which it may be more difficult for participants to read emotions in faces when faces are covered with masks than when they are not, and whether participants' empathy, attachment style, and patient-centred orientation would affect their performance. Medical and nursing students (N = 429) were administered either a masked or unmasked set of 24 adult faces depicting anger, sadness, fear, or happiness. Participants also completed self-report measures of empathy, patient-centredness, and attachment style. As predicted, participants made more errors to the masked than the unmasked faces with the exception of the identification of fear. Of note, when participants missed happiness, they were most likely to see it as sadness, and when they missed anger, they were most likely to see it as happiness. A multiple linear regression analysis showed that more errors identifying emotions in faces was associated with faces being masked as opposed to unmasked, lower scores on the empathy fantasy scale, and higher scores on the fearful attachment style. The findings suggest that wearing facemasks is associated with a variety of negative outcomes that might interfere with the building of positive relationships between health care workers and patients. Those who teach student health care workers would benefit from bringing this finding into their curriculum and training. [ABSTRACT FROM AUTHOR]

This article examines the interaction between Cervantes' Don Quixote and its cinematic transmutation in Un tal Alonso Quijano by Libia Stella Gómez (2020), focusing on the characters of Don Quixote and Dulcinea. We begin with a consideration of the type of adaptive approach and the change in semiotic medium proposed by Un tal Alonso Quijano, based on which we compare some aspects of both stories. Subsequently, we analyze the interpretation and original development present in the film of the characters Don Quixote and Dulcinea, specifically as residents of Bogotá in the 21st century who, amid frustration, choose to wear a mask. However, in the end, through a process of disenchantment, they will come to understand that they must confront their fears without resorting to imposture. Thus, Gómez's proposal gives the characters a new configuration that ultimately contributes to keeping the Cervantine myth alive. [ABSTRACT FROM AUTHOR]

The purpose of this hermeneutic phenomenological study was to understand how Black undergraduate music education students make meaning of their lived experiences in predominantly White schools of music (PWSOM). The study was guided by the overall research questions: (1) What makes the lived experience of Black undergraduate music education students unique? and (2) What meaning(s) and understanding(s) do Black undergraduate music education students ascribe to their experiences in PWSOM? Data were collected primarily through open-ended interviews with nine Black undergraduate music education students in PWSOM in the United States. Data analysis revealed seven emergent themes, including (a) navigating the negative perceptions of White people; (b) making White people comfortable; (c) working harder to prove myself; (d) "Do I belong here?"; (e) a climate of racial and cultural insensitivity; (f) distrust of White faculty; and (g) sacrifice and survival. Findings were interpreted using Du Bois's theory of double consciousness and van Manen's four existentials of lived experience. Interpretation revealed the essence of the phenomenon to be living a dissonant existence. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic and the use of facemasks have caused many communication challenges for pediatric nurses. The purpose of this study was to investigate these challenges and the strategies that nurses use to overcome them during the nursing care of sick children. This was a qualitative study using conventional content analysis. The nurses were selected by purpose-based sampling and interviewed semi-structurally between April and June 2023 at the Children's Educational Therapy Center in Tabriz, Iran. The sample size was determined by the data saturation principle. The report of this research followed the COREQ guidelines. Twelve nurses were interviewed. The analysis revealed four main categories: "Disturbances in communication", "Disturbances in trust", "Disturbances in providing care", and "Nurses' strategies to mitigate the challenges of mask usage. To solve the challenges caused by the mask, nurses used solutions such as removing the mask and mitigating the adverse effects of mask usage they used. The central theme of the study was "Humanistic care requires trust-based communication". This study highlights the communication challenges faced by pediatric nurses due to mask-wearing during the COVID-19 pandemic. Despite these challenges, nurses have developed innovative strategies to improve communication and build trust with their young patients. Further research is needed to evaluate the effectiveness and feasibility of these strategies. These strategies can be useful for other nurses who work with children in similar conditions. Further research is needed to evaluate the effectiveness and feasibility of these strategies in different settings and populations. • Wearing a mask has caused communication disturbances between the nurse and the child. • Disruption in communication has caused a lack of trust between the child and the nurse. • Disruption in communication and the child's lack of trust in the nurse has led to disruption in care. • Nurses used solutions to overcome communication problems caused by wearing masks. [ABSTRACT FROM AUTHOR]

Surface microstructures formed by jet electrolytic processing are widely used in aerospace and biomedical applications, and their unique process has an important role in medical devices. To improve the precision and usability of medical devices processed using this process, electrolytic characterization and micropit morphology experiments under different processing parameters were carried out to study the effect of EJM processing on processing efficiency and processing quality. The influencing factors of electrolytic machining rate were deduced by electrochemical theory, the electric field simulation was carried out using Comsol to analyze the electric field distribution and current density profile in the micropit, and the actual machining micropit was measured using a scanning microscope. The experiments show that increasing the peak voltage, reducing the machining gap, and extending the machining time can increase the depth of the micropit by 20%–40% and reduce the height of the silo by 45%–65%, which can effectively improve the surface structure of the medical device. [ABSTRACT FROM AUTHOR]

Introduction: Studies suggest a relationship between the emotional evocativeness of visual imagery and viewer responses, however, there is limited understanding of these associations, especially as they relate to viewers' personal experiences of adversities. Methods: In this exploratory study, we examined the relationship between the visual content of mask images and viewers' responses. In an online survey 699 participants (of n = 1,010 total initial participants) rated 98 masks based on valence, arousal, and personal relevance and completed the Life Events Checklist. The masks included those created by service members (SMs) with traumatic brain injury (TBI), and post-traumatic stress disorder (PTSD), depicting physical, psychological, and moral injuries and matched neutral masks created by creative arts therapists and arts in health scholars. Findings: The findings indicated that responses to mask image content (traumatic versus neutral) were associated with viewers' personal history of adversity and trauma. Specifically, images representing injury/trauma provoked stronger reactions on valence and arousal than neutral images. Moreover, participants with personal histories of trauma had heightened emotional responses to distressing imagery. Discussion: These findings have implications for art therapists as well as for clinical and general populations in that these results highlight the potential impact of distressing imagery particularly for individuals with personal histories of experiencing or witnessing traumatic events. [ABSTRACT FROM AUTHOR]

Background: The risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission during the endemic phase may vary from that during the previous pandemic phase. We evaluated the risk of infection in a general population with laboratory-confirmed coronavirus disease 2019 (COVID-19) in a community setting in Korea. Materials and Methods: This study included 1,286 individuals who had been in contact with an index COVID-19 case between January 24, 2020, and June 30, 2022. Variables such as age, sex, nationality, place of contact, level of contact, the status of exposed cases, period, and level of mask-wearing were assessed. Results: Among 1,286 participants, 132 (10.30%) were confirmed to have COVID-19. With increasing age, the risk of the exposed persons contracting COVID-19 from index cases tended to increase (P <0.001), especially for people in their 70s (odds ratio, 1.24; 95% confidence interval, 1.11–1.40; P <0.001). We found an increasing trend in the risk of a COVID-19 exposed case becoming a secondary infection case (P <0.001) in long-term care facilities where the attack rate was high. Conclusion: The risk of COVID-19 transmission is high in long-term care facilities where many older adults reside. Intensive management of facilities at risk of infection and strict mask-wearing of confirmed COVID-19 cases are necessary to prevent the risk of COVID-19 infection. [ABSTRACT FROM AUTHOR]

The Capitol Hill riots on 6 January 2021 were an event of great importance not only because of their political and legal impact, but also because they allowed everyone to observe the symbols, images, masks, and other signs that were displayed in front of the cameras of many journalists and eyewitnesses. The iconography displayed on that occasion should not be dealt with as an extemporary invention but considered the result of a process of semantic and narrative accumulation produced in online and offline interactions. This article seeks to outline a theoretical–methodological framework of contemporary conspiracy images as multimodal forms of communication. Starting with images collected on Capitol Hill along with a corpus of online conversations that occurred on platforms such as Gab, in particular, between 2016 and 2021, examples of the dynamics of constitution of conspiracy images and their genealogy will be provided. [ABSTRACT FROM AUTHOR]

This article contributes to the developing sociology of COVID‐19 literature by examining situational variation in mask‐wearing behavior during the early pandemic. Using interview data collected from residents of Brooklyn, New York during 2020, I analyze how people talk about encounters with masking in various social contexts. I find that the act of wearing a mask during the early pandemic acquired multiple, contradictory meanings that compelled opposite stances toward masking. On one hand, public health campaigns helped encourage mask‐wearing by infusing masking with notions of solidarity and collective responsibility. But on the other hand, masks also obtained meanings related to distrust and emotional distance that became highly relevant in intimate social situations: masking around friends and other close social network members could be understood as symbolically destructive to the relationship. By illustrating how people collectively negotiated these countervailing meanings during interaction, the findings contribute to knowledge about how relational characteristics and interaction dynamics shaped the ways that people understood and enacted masking during the early COVID‐19 pandemic. [ABSTRACT FROM AUTHOR]

Objective: To evaluate possible temporomandibular disorders (TMD) symptoms that may occur due to mask use in dentists during the coronavirus disease-2019 pandemic period and identify potentially effective factors. Methods: An online questionnaire consisting of three parts was sent to dentists and clinical dental students. The first part included questions regarding sociodemographic information. In the second part, questions were asked to evaluate stress levels, TMD symptoms, and treatment of TMD, if any, before (T0) and during the pandemic (T1). In the last part, professional mask choice, maskrelated parafunctional movements, and breathing patterns while wearing a mask were evaluated. Results: TMD symptoms and stress levels were significantly higher at T1. An increase in mouth breathing and mask-related parafunctional movements was reported during the use of N95 masks compared with daily life in dentists whose professional mask selection was an N95 respirator. The change in temporomandibular joints pain and muscle pain at rest between T0 and T1 was higher in those whose professional mask choice was N95 respirators than in those who chose to wear one surgical mask. Conclusion: The increase in mouth breathing and mask-related parafunctional movements during the use of N95 respirators may increase TMD. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic has exposed the vulnerability of emergency response systems to personal protective equipment shortages, particularly FFP2 masks. In that context the Milan Fire and Rescue Service has developed a novel method for regenerating and reusing disposable FFP2 masks, evaluating its safety and effectiveness through comprehensive biological, mechanical, and stress tests, guaranteeing this way up to 10 safe reuses per mask. The method not only ensures personnel safety and uninterrupted emergency service but also yields significant environmental and economic benefits, minimizing the environmental footprint associated with masks life cycle and leading to substantial financial savings to the entities willing to adopt it, through reduced procurement and disposal costs. Benefits linked to the regeneration method are validated in this work by three distinct case studies, conducted within the Milan province and encompassing three distinct entities. This study provides evidence that through regeneration it is possible to achieve environmental and economic impact reductions of up to 90% across various operational settings and presents a groundbreaking and sustainable approach to FFP2 mask reuse, offering a viable solution to address potential shortages during future pandemics. [ABSTRACT FROM AUTHOR]

BackgroundDifficult facemask ventilation is perilous in children whose tracheas are difficult to intubate. We hypothesised that certain physical characteristics and anaesthetic factors are associated with difficult mask ventilation in paediatric patients who also had difficult tracheal intubation.MethodsWe queried a multicentre registry for children who experienced "difficult" or "impossible" facemask ventilation. Patient and case factors known before mask ventilation attempt were included for consideration in this regularised multivariable regression analysis. Incidence of complications, and frequency and efficacy of rescue placement of a supraglottic airway device were also tabulated. Changes in quality of mask ventilation after injection of a neuromuscular blocking agent were assessed.ResultsThe incidence of difficult mask ventilation was 9% (483 of 5453 patients). Infants and patients having increased weight, being less than 5th percentile in weight for age, or having Treacher-Collins syndrome, glossoptosis, or limited mouth opening were more likely to have difficult mask ventilation. Anaesthetic induction using facemask and opioids was associated with decreased risk of difficult mask ventilation. The incidence of complications was significantly higher in patients with "difficult" mask ventilation than in patients without. Rescue placement of a supraglottic airway improved ventilation in 71% (96 of 135) of cases. Administration of neuromuscular blocking agents was more frequently associated with improvement or no change in quality of ventilation than with worsening.ConclusionsCertain abnormalities on physical examination should increase suspicion of possible difficult facemask ventilation. Rescue use of a supraglottic airway device in children with difficult or impossible mask ventilation should be strongly considered.

From early 2020 the COVID-19 pandemic drove dramatic increases in the production and use of single use disposable masks, respirators and gowns, and highlighted the vulnerability of supply chains for these items. This paper explores the impacts of the rising demands for these single use items through the lens of sustainability, by collating data on the carbon footprint and other impacts, and then discussing challenges, solutions, and future perspectives. Polypropylene and other key synthetic fibre components of these items are not biodegradable, and persist in the environments for prolonged periods generating microplastics as they degrade slowly. Various methods have been shown to allow limited repeated use of surgical masks and respirators, and this has spurred the development of masks and respirators designed for many cycles of reuse. Parallel discussions around gowns reveal that reuseable gowns offer many advantages for performance as well as reduced environmental impact. At the local dental clinic level, those making purchasing decisions should consider impacts of their product choices on the environment. Such impacts occur from manufacture, transport, and disposal of PPE, and from degradation within the environment. Regulators need to encourage use of reuseable items and facilitate this through local guidelines, while at the international level, more work is needed to develop uniform standards for reuseable masks, respirators and gowns.

ABSTRACT During September to December 2021, school mask policies to mitigate SARS-CoV-2 transmission varied throughout the US. We compared infection-induced seroprevalence estimates and estimated seroconversion among children residing in areas with and without school mask requirements. We estimated infection-induced seroprevalence among children in three age groups (5–17, 5–11, and 12–17 years) in areas with and without school district mask requirements for two time points: September 1–30, 2021 and December 15, 2021 to January 14, 2022. Robust Poisson regression models estimated population seroconversion over the semester among initially seronegative children. Permutation tests assessed for significant differences in the estimated population seroconversion due to incident infections by school district mask policy. Residing in an area with no school mask requirement was associated with higher infection-induced seroprevalence among children aged 5–17 years (adjusted prevalence ratio [aPR] = 1.18, 95% confidence interval [CI]: 1.10, 1.26), and those aged 5–11 years (aPR) = 1.21, 95% CI: 1.10, 1.32) and those aged 12–17 years (aPR = 1.16, 95% CI: 1.07, 1.26), compared with areas requiring masks in school. Estimated population seroconversion during the semester was also significantly higher among children in districts without mask policies than those with school mask requirements among all age groups (5–17 years: 23.7% vs 18.1%, P < 0.001; 5–11 years: 6.4% vs 4.5%, P = 0.002;12–17 years: 27.2% vs 21.0%, P < 0.001). During the U.S. Fall 2021 semester, areas with school mask requirements had lower infection-induced seroprevalence and an estimated lower proportion of seroconversion due to incident infection among school-aged children compared with areas without school mask requirements; causality cannot necessarily be inferred from these associations.IMPORTANCEDuring the U.S. Fall 2021 school semester, the estimated proportion of previously uninfected school-aged children who experienced a first infection with SARS-CoV-2 was lower in areas where public school district policies required masks for all staff and students compared with areas where the school districts had no mask requirements. Because children are more likely than adults to experience asymptomatic or mild SARS-CoV-2 infections, the presence of infection-induced antibodies is a more accurate measure of infection history than clinical testing. The proportion of children with these antibodies (i.e., seroprevalence) can improve our understanding of SARS-CoV-2 by detecting more infections and eliminating potential bias due to local testing and reporting practices. Enhanced robustness of surveillance for respiratory infections in children, including records of mitigation policies in communities and schools, as well as seroprevalence data, would establish a better evidence base for policy decisions and response measures during future respiratory outbreaks.

Abstract Background The COVID‐19 pandemic, caused by the SARS‐CoV‐2 virus, has resulted in illness, deaths and societal disruption on a global scale. Societies have implemented various control measures to reduce transmission of the virus and mitigate its impact. Individual behavioural changes are crucial to the successful implementation of these measures. One commonly recommended measure to limit risk of infection is face covering. It is important to identify those factors that can predict the uptake and maintenance of face covering. Objectives We aimed to identify and synthesise the evidence on malleable psychological and psychosocial factors that determine uptake and adherence to face covering aimed at reducing the risk of infection or transmission of COVID‐19. Search Methods We searched various literature sources including electronic databases (Medline ALL, Child Development & Adolescent Studies, ERIC, PsycInfo, CINAHL & Web of Science), web searches, conference proceedings, government reports, other repositories of literature and grey literature. The search strategy was built around three concepts of interest including (1) context (terms relating to COVID19), (2) behaviour of interest and (3) terms related to psychological and psychosocial determinants of COVID Health‐Related Behaviours and adherence or compliance with face covering, to capture malleable determines. Searches capture studies up until October 2021. Selection Criteria Eligibility criteria included observational studies (both retrospective and prospective) and experimental studies that measure and report malleable psychological and psychosocial determinants and handwashing at an individual level, amongst the general public. Screening was supported by the Cochrane Crowd. Studies titles and abstracts were screened against the eligibility criteria by three independent screeners. Following this, all potentially relevant studies were screened at full‐text level by the research team. All conflicts between screeners were resolved by discussion between the core research team. Data Collection and Analysis All data extraction was managed in EPPI‐Reviewer software. All eligible studies, identified through full‐text screening were extracted by one author. We extracted data on study information, population, determinant, behaviour and effects. A second author checked data extraction on 20% of all included papers. All conflicts were discussed by the two authors until consensus was reached. We assessed methodological quality of all included studies using an adapted version of the Joanna Briggs Institute Quality appraisal tool for cross‐sectional studies. Main Results Our initial searches yielded 23,587 results, of which 23 were included in this review. The included studies were cross‐sectional in design, came from nine countries and had a combined sample of 54,401 participants. The vast majority of studies had samples from the general public, with five of the studies focusing on specific samples. All included studies considered people over the age of 18. The quality of 10 of the studies was rated as unclear, 10 were rated as low, and 3 rated high risk of bias, predominately due to lack of reporting of recruitment, sample characteristics and methodology. Ten studies were included in the meta‐analysis and 16 in the narrative synthesis. Findings from the meta‐analysis indicated that knowledge of COVID‐19 (0.341, 95% confidence interval [CI] = 0.06, 0.530, I2 = 100%) was the malleable determinant most associated with face covering behaviour. Perceived susceptibility of COVID‐19 (r = 0.088, 95% CI = −0.004, 0.180, I2 = 80%) and COVID‐related worry and anxiety (r = 0.064, 95% CI = −0.066, 0.191, I2 = 93% had little to no effect on face covering behaviour. In the narrative synthesis, the strongest association was found between perceived benefits and effectiveness of behaviours and mask wearing behaviour. Authors' Conclusions Understanding the effects of various malleable determinants on COVID‐related face covering can aid in the development and implementation of interventions and public health campaigns to promote face covering behaviour in potential new waves of COVID‐19 or other respiratory infections. Knowledge of COVID and perceived benefits of face coverings warrant further consideration in future research and policy.

Introduction: Dentists’ attire includes their choice of clothes and Personal Protective Equipment (PPE) required to follow infection control measures. Investigating and understanding the paediatric patient’s preferences and perceptions towards the dentist’s attire can aid in establishing a more efficient and smoother relationship between them. Aim: To determine the children’s preferences and perceptions of their paediatric dentist’s attire and PPE among four to 12-year-old children. Materials and Methods: This cross-sectional study included four to 12-year-old Arabic-speaking children attending Department of Paediatric Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia for dental treatment with their parents/guardians between February 2022 and April 2022. Data were collected from the participants using a validated Arabic electronic questionnaire to determine their preferences regarding different parts and types of the dentist’s attire and PPE, as well as their perceptions and feelings of comfort towards the dentist wearing the full standard PPE. Data were summarised as frequencies and percentages for categorical variables or means and standard deviations for continuous variables. The significance threshold was set at 0.05. Results: A total of 362 participants with a mean age of 8.4±2.3 years and their parents/guardians participated in the study. Female dentists were significantly more favoured by both male and female participants, with statistical significance among females (p

Abstract Background Facing a surge of COVID-19 cases in late August 2021, the U.S. state of Illinois re-enacted its COVID-19 mask mandate for the general public and issued a requirement for workers in certain professions to be vaccinated against COVID-19 or undergo weekly testing. The mask mandate required any individual, regardless of their vaccination status, to wear a well-fitting mask in an indoor setting. Methods We used Illinois Department of Public Health’s COVID-19 confirmed case and vaccination data and investigated scenarios where masking and vaccination would have been reduced to mimic what would have happened had the mask mandate or vaccine requirement not been put in place. The study examined a range of potential reductions in masking and vaccination mimicking potential scenarios had the mask mandate or vaccine requirement not been enacted. We estimated COVID-19 cases and hospitalizations averted by changes in masking and vaccination during the period covering October 20 to December 20, 2021. Results We find that the announcement and implementation of a mask mandate are likely to correlate with a strong protective effect at reducing COVID-19 burden and the announcement of a vaccinate-or-test requirement among frontline professionals is likely to correlate with a more modest protective effect at reducing COVID-19 burden. In our most conservative scenario, we estimated that from the period of October 20 to December 20, 2021, the mask mandate likely prevented approximately 58,000 cases and 1,175 hospitalizations, while the vaccinate-or-test requirement may have prevented at most approximately 24,000 cases and 475 hospitalizations. Conclusion Our results indicate that mask mandates and vaccine-or-test requirements are vital in mitigating the burden of COVID-19 during surges of the virus.

Abstract Wearing face masks, the critical measure of non-pharmacological intervention (NPI), should not be underestimated in preventing the spread of coronavirus disease 2019 (COVID-19). The challenge for public health persists with various respiratory pathogens in post-COVID-19. Theoretically, promoting wearing masks will continue to be beneficial for public health. This review summarizes the views of studies on the efficacy and safety of mask-wearing in adults and children to prevent respiratory infections. It aims to provide further information that could benefit government decisions on respiratory infection epidemic control. Adherence is the key factor for the effectiveness of mask-wearing for preventing respiratory infections in adults and children, and it must be given high priority when conducting research to validate the effectiveness of masks or making relevant public decisions. The safety effects of mask-wearing include physiological and psychological. The physiological effects could be moderate during short-term mask-wearing, while the safety problems in long-term mask-wearing are required to be further explored. There is no clear evidence of the adverse physiological effects of mask use in children. However, the disadvantage of mask use in children under 2 years of age warrants vigilance. The psychological repercussions of mask-wearing in adults primarily manifest as emotional discomfort, varying across different cultural contexts. The influence of mask-wearing on children’s psychological and social development requires more research, and it should be paid high attention in government decision-making processes.

Background Face masks have become an important tool for preventing the spread of respiratory diseases. However, we hypothesized that face masks with reduced nasal airflow may alter pulmonary artery systolic pressure (PASP). Purpose This study aimed to evaluate the effect of face masks on PASP in children and adolescents. Methods This case-control study was conducted between March 2021 and April 2022 at the Pediatric Cardiovascular Research Center in Isfahan, Iran. Using a convenience sampling method, a total of 120 children and adolescents, boys and girls aged 3–18 years, were allocated into 2 groups of 60 each (case group with congenital heart disease (CHD), control group of healthy subjects). For each patient in the case and control groups, echocardiography (ECHO), heart rate (HR), and blood oxygen saturation (SpO2) were performed and measured twice—once with a surgical mask and once without a surgical mask—by a pediatric cardiologist at 10-min intervals. Results A total of 110 participants were analyzed. The mean patient age was 9.58±3.40 years versus 10.20±4.15 years in the case (n=50) and control (n=60) groups, respectively. Approximately 76.0% (n=38) of the participants in the case group versus 60.0% of those in the control group were male. In the case and control groups, there was a statistically significant reduction in the mean changes in tricuspid regurgitation (P=0.001), pulmonary regurgitation (P=0.002), and PASP (P=0.001) after face mask removal. Although this study showed a reduction in pulmonary arterial pressure after face mask removal in patients with CHD and healthy subjects, no significant changes in HR (P=0.535) or SpO2 (P=0.741) were observed in either group. Conclusion Wearing a face mask increased PASP in healthy children and adolescents with CHD; however, the SPO2 and HR remained unchanged. Therefore, mask removal during ECHO is recommended.

This preregistered study examined how face masks influenced face memory in a North American sample of 6- to 9-month-old infants (N = 58) born during the COVID-19 pandemic. Infants memory was tested using a standard visual paired comparison (VPC) task. We crossed whether or not the faces were masked during familiarization and test, yielding four trial types (masked-familiarization/masked-test, unmasked-familiarization/masked-test, masked-familiarization/unmasked-test, and unmasked-familiarization/unmasked-test). Infants showed memory for the faces if the faces were unmasked at test, regardless of whether or not the face was masked during familiarization. However, infants did not show robust evidence of memory when test faces were masked, regardless of the familiarization condition. In addition, infants bias for looking at the upper (eye) region was greater for masked than unmasked faces, although this difference was unrelated to memory performance. In summary, although the presence of face masks does appear to influence infants processing of and memory for faces, they can form memories of masked faces and recognize those familiar faces even when unmasked.

Background/Aim. Available face masks, used to protect the respiratory system from various types of pathogens, show unsatisfactory efficiency because the size of viruses like severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is much smaller than the void spaces in these masks. Difficult breathing through some masks quickly tires out, which makes ordinary people avoid wearing them. These facts suggest that a new strategy is desirable for designing protective face masks. The aim of the study was to present new filters for face masks to protect people exposed to high concentrations of bacteria and viruses, particularly SARS-CoV-2. Methods. Filters for these masks were manufactured of dense cotton fabric impregnated with silver quantum dots. The filters were characterized by scanning electron microscopy and ioncoupled plasma mass spectrometry. Wettability properties were determined by measuring contact angles with water, and a color fastness test was performed. Antibacterial assay was performed using Staphylococcus (S.) aureus. Viability quantitative polymerase chain reaction (qPCR) for virus integrity assay and reverse transcription qPCR (RT-qPCR) assay were used for antiviral activity assessment. Results. In vitro assays showed extremely high efficiency of these filters in destroying S. aureus and SARS-CoV-2 virus. The filters also showed high safety and easy breathing possibilities. Conclusion. The high efficiency of these masks against SARS-CoV-2 has been demonstrated through numerous tests, and they have been approved as anti-SARS-CoV-2 masks for the first time in the world. In the meantime, this solution has been applied in practice, and the data obtained about that are very encouraging. [ABSTRACT FROM AUTHOR]

Introduction: Dentists' attire includes their choice of clothes and Personal Protective Equipment (PPE) required to follow infection control measures. Investigating and understanding the paediatric patient's preferences and perceptions towards the dentist's attire can aid in establishing a more efficient and smoother relationship between them. Aim: To determine the children's preferences and perceptions of their paediatric dentist's attire and PPE among four to 12-year-old children. Materials and Methods: This cross-sectional study included four to 12-year-old Arabic-speaking children attending Department of Paediatric Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia for dental treatment with their parents/guardians between February 2022 and April 2022. Data were collected from the participants using a validated Arabic electronic questionnaire to determine their preferences regarding different parts and types of the dentist's attire and PPE, as well as their perceptions and feelings of comfort towards the dentist wearing the full standard PPE. Data were summarised as frequencies and percentages for categorical variables or means and standard deviations for continuous variables. The significance threshold was set at 0.05. Results: A total of 362 participants with a mean age of 8.4±2.3 years and their parents/guardians participated in the study. Female dentists were significantly more favoured by both male and female participants, with statistical significance among females (p<0.001) and younger participants (p<0.001). Both males and females (p=0.025) and older participants (p = 0.001) significantly favoured the traditional white coats over colourful paediatric coats. Furthermore, older participants significantly preferred surgical masks over paediatric masks (p<0.001), face shields as eye protection (p<0.001), and no head cover over colourful paediatric caps (p<0.001). Male participants showed significantly better acceptability towards the dentist wearing the full standard PPE. Conclusion: Both genders and younger children preferred female dentists. The traditional white coat is the most preferred attire by both genders and older children. Male and older children showed higher acceptability for the full standard PPE. [ABSTRACT FROM AUTHOR]

During the global COVID-19 pandemic, the wearing of face masks became a common practice, raising questions about how masks affect perceptions of and behaviour towards others. Numerous studies have explored the impact of face masks on perceptions of trustworthiness, but results have been mixed and it remains unclear whether masks influence perceptions via their social meaning or their effects on facial appearance. In this study, Australian participants (N = 363) rated a series of faces which were either masked, unmasked, or occluded by a non-mask object (computer) in terms of perceived trustworthiness in 2020, 2022, or 2023. The apparent trustworthiness of unmasked faces remained stable across years, but masked faces were rated significantly more trustworthy in 2020 compared to 2022 and 2023. Furthermore, ratings of masked faces, but not unmasked faces, were correlated with participants' attitudes towards wearing masks. Faces occluded by a non-mask object were perceived to be less trustworthy than masked faces. Together, results strongly suggest the increase in perceived trustworthiness of masked faces reported in numerous studies conducted during COVID-19 were driven by positive social meanings around mask wearing rather than by their effect on facial appearance. [ABSTRACT FROM AUTHOR]

Young children today are exposed to masks on a regular basis. However, there is limited empirical evidence on how masks may affect word learning. The study explored the effect of masks on infants' abilities to fast-map and generalize new words. Seventy-two Chinese infants (43 males, M age = 18.26 months) were taught two novel word-object pairs by a speaker with or without a mask. They then heard the words and had to visually identify the correct objects and also generalize words to a different speaker and objects from the same category. Eye-tracking results indicate that infants looked longer at the target regardless of whether a speaker wore a mask. They also looked longer at the speaker's eyes than at the mouth only when words were taught through a mask. Thus, fast-mapping and generalization occur in both masked and not masked conditions as infants can flexibly access different visual cues during word-learning. [ABSTRACT FROM AUTHOR]

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Wearing a face mask is one of the main means of preventing the transmission of certain respiratory diseases. This measure, combined with social distancing and hand washing, helps to slow the spread and reduce transmission of the virus, especially among people who are expressed as asymptomatic carriers, while causing communication difficulties between patients and healthcare professionals. If strategies to cope with these difficulties are not developed, serious errors may occur in the field of health services. Because the field of health services is one of the service areas where it is vital to maintain communication without interruption. For this reason, the effective performance of the procedures requires that the health personnel understand the messages correctly and appropriately both in their communication with each other and with the patient and that the patients can adequately express their feelings and thoughts to the healthcare professionals. The aim of this study is to reveal the difficulties and facilitating strategies of masked communication in health services during the COVID-19 process. The method of "document scanning-a literature review" was used as a way of data collection in the research. In this direction, the literature dealing with the importance of the face in expressing emotions in face-to-face communication and the difficulties caused by face masks in communication during the COVID-19 epidemic was scanned using keywords and various combinations of these words. [ABSTRACT FROM AUTHOR]

In this review, we discuss some of the recent advances in our understanding of the physiology of the air pollution and exercise. The key areas covered include the effect of exercise intensity, the effects of pre‐exposure to air pollution, acclimation to air pollution, and the utility of masks during exercise. Although higher intensity exercise leads to an increase in the inhaled dose of pollutants for a given distance traveled, the acute effects of (diesel exhaust) air pollution do not appear to be more pronounced. Second, exposure to air pollution outside of exercise bouts seems to have an effect on exercise response, although little research has examined this relationship. Third, humans appear to have an ability to acclimate to ground level ozone, but not other pollutants. And finally, masks may have beneficial effects on certain outcomes at low intensity exercise in pollution with significant levels of particles, but more study is required in realistic conditions. [ABSTRACT FROM AUTHOR]

Aim: Throughout the coronavirus disease-2019 (COVID-19) pandemic, the widespread use of personal protective equipment, including facial masks, was associated with an increased incidence of facial dermatoses, notably acne and dermatitis. The objective of this cross-sectional study was to ascertain the prevalence and clinical manifestations of acne vulgaris in young adults aged 17-24 years and to compare these characteristics before and during the COVID-19 pandemic, as well as to elucidate the association between facial mask use and acne exacerbation. Materials and Methods: This study was performed among 6,517 undergraduates studying at the university. A multiple-choice questionnaire was disseminated via email to all undergraduate students utilizing the electronic mailing addresses furnished by the university. Results: 48.6% of the participants had acne vulgaris before the pandemic, and 18.8% had new-onset acne vulgaris during the pandemic. During the pandemic and before the pandemic, the frequency of acne was higher in females than males (P < 0.001, P < 0.001). The presence of papules-pustules, itching, pain, dryness, and flaking were more common in patients with newly developed acne in the pandemic (P = 0.015, P < 0.001, P < 0.001, P = 0.001, P = 0.036). The frequency of acne increased significantly in those who used masks, those who used masks every day, those who used masks for more than 4 hours during the day, those who used black masks, those who did not change their masks during the day, those who used facial cleansers every day, and those who used emollients (P < 0.001, P = 0.001, P < 0.001, P = 0.001, P = 0.005, P < 0.001, P < 0.001). Conclusion: Wearing face masks results in the development of acne and causes considerable acne flare in acne patients before the pandemic. Mask-induced acne is a significant problem symptoms like itching, burning sensations, and dryness, which are more common than pre-pandemic acne. [ABSTRACT FROM AUTHOR]