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Purpose: The purpose of this paper is to describe this new evaluation experience with portfolio in economics, not only from the teacher's point of view but from the student perspective, and all the learning from its implementation; to provide ideas of evaluation practices in virtual and face-to-face modality in international business education; to motivate the rethinking of assessment practices in higher education to combine the best of each modality in the future. Design/methodology/approach: The present work is a case study based on a qualitative description of the implementation of a portfolio as an assessment practice, supported by a reflection questionnaire with students' perceptions and some elements of metacognition. The first section summarizes the literature used as a theoretical framework of this work. The second section describes the portfolio implementation by analyzing teachers and students reflections with a qualitative approach. The third section presents the findings. The fourth section is a discussion of findings, practical implications, limitations and future research directions. Finally, the conclusions of the work are shared. Findings: Because the portfolio has had overwhelming results to assess what students have learned during the pandemic, it has become the learning and assessment tool after the pandemic, as it transforms the classes experience by shifting the focus from traditional examinations to more comprehensive, personalized and reflective ones. It also empowers students to take ownership of their learning, develop essential skills and cultivate a deeper understanding. Among other benefits, the portfolio means the creation of a safe and supportive environment for honest reflection, the development and design of strategic directions to improve learning and lead students toward metacognitive autonomy. Reflection pieces, a critical component of the portfolio, are a vital tool in the proactive learning process, as through reflection students learn to examine their own performance and discuss strategies to enhance their success in future work. Research limitations/implications: This work began as an educational experience per se, not for research purposes, which caused it to be systematized and reconstructed in a descriptive way, not to measure quantitative results. In this way, the present work describes that the portfolio helps to achieve better results on students' learning than traditional examinations but, as another limitation, it does not measure them nor the process. One more limitation of this work is that it was written in a postpandemic context but was implemented during the pandemic; therefore, the circumstances of writing are not the same as those of implementation, and this could also entail a certain margin of decontextualization. At the same time, this is an experience that is still in process and continually being adapted to this changed and changing educational postpandemic context. Practical implications: One of the main implications of the portfolio experience, transferable to all educational contexts, is that it transforms the final exam into a metacognitive one, letting students be aware of their own process of learning and results--objectives and competences--acquired. In this way, it lets teachers witness a part of the learning process that is not so evident in the traditional assessment practices--focused on some aspect of the learning--as it makes visible the way in which students receive, process and apply content, that is to say, how they make it their own. Social implications: The portfolio promotes reflective learning and metacognition, vital skills that benefit students beyond the classroom. This can have a positive impact on societal attitudes toward education and the quality of learning. Of the students, 82% felt the portfolio creation was helpful in their personal and professional lives, suggesting a broader societal impact. The paper's findings contribute to the body of knowledge about the effectiveness of portfolio-based assessment in higher education, especially in the worldwide transition from online education to postpandemic education. This could guide future studies in similar educational contexts or with different pedagogical innovative tools. Originality/value: In light of the 2020 pandemic lockdown, this work delves into the pressing need for educators to adapt and modify their teaching approaches. The relevance of this study is accentuated by the worldwide transition from online education to postpandemic education. This paper bridges the gap between theory and practice because the research can be applied to the educational practice of any international business education context, as well as lay the foundations for future research in the field that contributes to increasing evidence of the effectiveness of the use of the portfolio to achieve significant and deep learning in higher education.

The outbreak of the COVID-19 pandemic on the world stage has impacted multiple aspects of our lives, affecting how we interact, organize public affairs, and carry out daily activities. This paper explores how students in an ongoing adult education program in Villa María, Argentina, continued their studies during the 2020-2022 pandemic in the context of the restrictive public health policies that led to suspending in-person classes and collaborative sessions and moving to digitally mediated formats. It centers on the experience of adult learners confronted by the COVID-19 emergency and their response through solidarity relationships and agency. We found that the students actively reorganized and redesigned their academic practices by articulating their emergency needs resulting from the pandemic with their continued participation in their program through acts of solidarity. Finally, we share thoughts and future directions about solidarity in adult learning contexts.

In this paper we present the analysis and interpretation of data collected during an intercultural virtual exchange undertaken in 2020 in which students from Argentina and the USA explored how trauma and suffering associated with COVID-19 can be channeled through collaborative artistic multimodal creations, and how approaching this in a productive way can lead to self-transformation in terms of intercultural and civic growth. To obtain unbiased data, we did not give the students information on the Council of Europe's Reference Framework of Competences for Democratic Culture (RFCDC; 2018) which was fundamental to our conceptualization. Here, we apply an ex post facto research method to explore which of the 20 competences for democratic culture included in the RFCDC were mobilized and deployed by our students during this project. We do so by analyzing their multimodal artistic creations, social actions, and their civic statements from the perspective of the RFCDC definitions and descriptors. Findings indicate that the virtual exchange project contributed to the cultivation of 'democratically and interculturally competent citizens' as conceptualized in the Reference Framework of Competences for Democratic Culture.

The genesis and spread of COVID-19 around the world since 2020 have caused severe impacts in every aspect of people's lives, from work life to recreation, social activities to physical health. Higher education has not been excluded. Universities have altered curriculum, changed delivery methods, provided more counseling, purchased new technology, and altered attendance policy for classroom, athletic, social and artistic events (Hamlin, 2021). To assess the impacts of these changes on college students, the authors created a questionnaire to ask students about their perceptions of these COVID-related impacts on their own personal lives. The survey had 56 questions about how the virus affected their academic, social, financial, physical and emotional lives. Over 800 students responded with objective input and subjective comments. Due to the volume of data, the authors have split the study into two parts. The survey results for the first part, academic and social aspects of the survey, were published in "Understanding the Impact of Covid-19 on College Student Academic and Social Lives," Research in Higher Education Journal Volume 41 (see http://www.aabri.com/manuscripts/213347.pdf). It will sometimes be referred to herein to provide clarity to the reader. The actual survey itself can also be found at that site. This paper focuses on the impact of the coronavirus on student financial and physical well-being, which have become major stressors to this age group and have contributed to higher levels of anxiety and depression. It also examines how the virus has affected their social and emotional well-being. Lastly, recommendations are made to help educators understand the severity of the problem, and to take action to provide assistance for those students who have been adversely affected.

This paper presents a compilation of personal reflections from 66 contributors on the impact of, and responses to, COVID-19 in accounting education in 45 different countries around the world. It reveals a commonality of issues, and a variability in responses, many positive outcomes, including the creation of opportunities to realign learning and teaching strategies away from the comfort of traditional formats, but many more that are negative, primarily relating to the impact on faculty and student health and well-being, and the accompanying stress. It identifies issues that need to be addressed in the recovery and redesign stages of the management of this crisis, and it sets a new research agenda for studies in accounting education.

This paper examines data gathered from Jewish day school students in North America, Europe and Argentina about their experiences of remote schooling during the first 4 months of the COVID-19 pandemic. Data report on student access to technology, student satisfaction with the remote-learning pedagogies their schools employed, students' feelings about what they gained from this experience, and how Judaic studies and general studies compared when delivered remotely. The paper provides an opportunity to probe cultural and structural differences between day school education in different cultural contexts and especially the differences between more communitarian and more individualistic school orientations.

This paper analyses the use of Twitter as a presidential communication channel during the first few months of the COVID-19 crisis. The aim is to determine how four recently elected presidents (those of Spain, Argentina, Mexico and Brazil) managed their political communication, and to explore the thesis that they resorted to populist messages during the first months of their terms in office. Using a qualitative methodology and the XL Node tool to capture data, a comparative analysis was performed on the messages posted on their personal Twitter accounts during the first 20 weeks of 2020, classified in six categories: polarization; conspiracy; exaltation and leadership; personalisation and privacy; emotions and feelings; and media publicity. The results indicate that the four presidents share populist traits, but to a different extent. López Obrador and Bolsonaro display a more populist profile, with emotional appeals to the people and to their saving action as regards the implementation of health policies. Conversely, Alberto Fernández and Pedro Sánchez are more akin to the pop politician profile, posting photographs and media messages with a view to receiving press coverage. Both post tweets, based on values and historical events, aimed at their grassroots supporters. The main conclusion is that the pandemic has enhanced the presidential and personalist profiles of the four leaders, although their actions during the COVID-19 crisis were not necessarily in keeping with the populist paradigm. Thus, Sánchez and Bolsonaro implemented a health management communication strategy, while López Obrador and Fernández paid scant attention to health policy.

The COVID-19 pandemic generated a new scenario in education, where technological resources mediate teaching and learning processes. This paper presents the development of a virtual teacher training experience aimed at promoting inferential reasoning in practicing and prospective mathematics teachers using inference problems on the Chi-square statistic. The objective of this article is to assess the implemented or intended institutional meanings and the degree of availability and adequacy of the material and temporal resources necessary for the development of the training experience. For this purpose, we use theoretical and methodological notions introduced by the Ontosemiotic Approach to Mathematical Knowledge and Instruction (OSA), among which are the notions of practice and suitability criteria. The participants of this experience were divided into three groups; one of them was comprised of practicing teachers and the other two of prospective teachers. The intervention used different virtual modalities that enabled the development of the participants' inferential reasoning in a similar way.

Internationalisation of Curriculum (IoC) can be considered a very inclusive approach, as it makes it possible to reach all students, addressing the current and future needs of global citizenship. Argentine universities, which in previous years had prioritised mobility over other internationalisation strategies, have focused on exploring and developing IoC with greater commitment and effort since the COVID-19 pandemic began. In Argentina there were no theoretical references that allowed IoC to be analysed in a national context, only isolated and fragmented experiences of actions developed by some universities. This paper introduces a conceptual model for the analysis of IoC in Argentine universities, and can also be considered as a benchmark to explore underdeveloped aspects in higher education institutions. Using four levels of analysis, 12 dimensions and 96 indicators, it is proposed to review the different elements that contribute to the curriculum being understood and recognised in diverse contexts.

Purpose: Using sentiment analysis (SA), this study aims to examine the impact of COVID-19 on mental health and virtual learning experiences among 1,125 students at a public Argentinean faculty. Design/methodology/approach: A study was conducted during the COVID-19 pandemic, surveying 1,125 students to gather their opinions. The survey data was analysed using text mining tools and SA. SA was used to extract the students' emotions, views and feelings computationally and identify co-occurrences and patterns in related words. The study also examines educational policies implemented after the pandemic. Findings: The prevalent emotions expressed in the comments were trust, sadness, anticipation and fear. A combination of trust and fear resulted in submission. Negative comments often included the words "virtual", "virtual classroom", "virtual classes" and "professor". Two significant issues were identified: teachers' inexperience with virtual classes and inadequate server infrastructure, leading to frequent crashes. The most effective educational policies addressed vital issues related to the "virtual classroom". Practical implications: Text mining and SA are valuable tools for decision-making during uncertain times, such as the COVID-19 pandemic. They can also provide insights to recover quality assurance processes at universities impacted by health concerns or external shocks. Originality/value: The paper makes two main contributions: it conducts a SA to gain insights from comments and analyses the relationship between emotions and sentiments to identify optimal educational policies. The study pioneers exploring the link between emotions, policies and the pandemic at a public university in Argentina. This area of research still needs to be explored. [ABSTRACT FROM AUTHOR]

This paper assesses how Argentine public universities responded to the crisis of the COVID-19 pandemic in three dimensions: teaching and learning, scientific research and community engagement, and internationalization activities. For each of the dimensions, the actions developed, and the challenges encountered are presented. I argue that the response was quick and consistent: it is related to an academic culture that is framed in the right to university, both individual right (access, permanence, and graduation to all citizens) and collective right (benefit socio-community development). The article concludes with a preliminary analysis of the agenda items to advance regulations and policies. On several occasions a self-reflective exercise is carried out, as part of a community that is going through this situation of extraordinary urgency.

Background: Ioannidis et al. (2020) reported a standardized estimate of scientific productivity obtained from a worldwide database of 6,880,389 scientists who published at least 5 papers picked up by the Scopus database, and elaborated a ranking of ca. 120,000 scientists by both whole trajectory (career-long) impact and their current impact at year 2019. The goal of our paper is to contextualize Latin American ecologists' contribution at the world level based on the four most scientifically productive countries in the region. Methods and findings: Ioannidis et al. (2020) proposed a composite index that is the sum of six scientometric indicators: (1) The number of allocites, (2) the h index, (3) a per capita corrected version of h, (4) the allocites received as single author, (5) those received as single + first author, and (6) those as single + first + last author. We selected data for ecologists from Argentina, Brazil, Chile, and Mexico and comparatively analyzed their productivity according to the proposed index. We also compared these data with those obtained from a global sample of the top ecologists worldwide. Conclusions: Based on Ioannidis et al.'s proposition to evaluate scientific productivity we extract three lessons: (1) It does not pay to publish many papers; what counts is the number of allocites (i.e., self-citations do not add up). (2) Either be single, first, or last author; it does not pay to be in the middle of an authorship line. (3) Even worse it is to be among many co-authors because the proposed index allocates credits on a per capita basis. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic has produced controversies, and its mode of concrete social existence is strongly assembled in multiple ways of world-making that mobilize particular human-non-human relations. This paper analyzes the ways in which the people of the Andean valleys of northwestern Argentina understand and live the pandemic, in the partial coexistence of ways of understanding the body, the person, and wellbeing. On the one hand, we identify the so-called traditional way of life, which implies a relational sociality; on the other hand, the Pentecostal way of life, which promotes an interpretative current under an apocalyptic key. In sum, we are interested in thinking about the coexistence and assembly between ways of living suffering and well-being in the context of the pandemic, associated with expanded and relational socialities and with ways of imagining and living the "end of the world" as a specific manifestation of the Pentecostal tradition. Thus, the article proposes to overcome the perspective of COVID-19 as a given and universal phenomenon that produces different interpretations or cultural fictions, and consider it as a component in a wide network of human and non-human agencies, forming a scenario of epistemic plurality. Resumen: La pandemia de COVID-19 ha producido controversias variadas y su modo de existencia social se encuentra fuertemente ensamblado en múltiples formas de hacer mundo que movilizan particulares relaciones entre humanos-no humanos. Este trabajo analiza los modos en que la gente de los valles andinos del noroeste argentino entiende y vive la pandemia, teniendo en cuenta las formas de entender el cuerpo, la persona y el bienestar. Considera tanto el modo de vida identificado como tradicional, que implica una socialidad relacional, y el del pentecostalismo, que fomenta una corriente interpretativa bajo una clave apocalíptica. En suma, se propone pensar la convivencia y ensamblaje entre formas de vivir el padecimiento y el bienestar en el contexto de la pandemia, asociados con socialidades ampliadas y relacionales y con modos de imaginar y vivir el "fin del mundo" como manifestación específica de la tradición pentecostal. De este modo, se entiende al COVID-19 más que como un fenómeno dado y universal que produce diferentes interpretaciones o ficciones culturales, como un componente en una red amplia de agenciamientos entre humanos y no humanos, conformando un escenario de pluralidad epistémica. [ABSTRACT FROM AUTHOR]

The COVID-19 outbreak and the global uncertainty it causes produce an apparent panic in stock markets. Efforts to explain the economic spillover effects of COVID-19 can guide authorities to design a control policy against the financial impacts of pandemics. The paper examines the effects of the COVID-19 cases on the stock markets in the emerging Latin American countries of Argentina, Brazil, Chile, Colombia, Mexico, and Peru. The paper employs a continuous partial wavelet methodology to observe lead-lag relations between the daily variables of new COVID-19 cases and the stock market index for each Latin American country. Brazilian new COVID-19 cases led the Bovespa (BVSP) index to decline during the whole period, except February and June 2020, at one month-two month-frequency band. The wavelet and phase difference analyses indicate that, except for Brazil, COVID-19 cases did not affect the stock market indexes adversely during the whole sample period but did affect the stock exchange markets negatively during some sub-sample periods of the entire sample of each country. Dynamics of Latin American stock exchange markets in the short and long run can be explained by some other parameters of real and financial sectors and COVID-19 cases.

Wastewater-based epidemiology is an economical and effective tool for monitoring the COVID-19 pandemic. In this study we proposed sampling campaigns that addressed spatial-temporal trends within a metropolitan area. This is a local study of detection and quantification of SARS-CoV-2 in wastewater during the onset, rise, and decline of COVID-19 cases in Salta city (Argentina) over the course of a twenty-one-week period (13 Aug to 30 Dec) in 2020. Wastewater samples were gathered from 13 sewer manholes specific to each sewershed catchment, prior to convergence or mixing with other sewer lines, resulting in samples specific to individual catchments with defined areas. The 13 sewershed catchments selected comprise 118,832 connections to the network throughout the city, representing 84.7 % (534,747 individuals) of the total population. The number of COVID19-related exposure and symptoms cases in each area were registered using an application developed for smartphones by the provincial government. Geographical coordinates provided by the devices were recorded, and consequently, it was possible to geolocalise all app-cases and track them down to which of the 13 sampling catchments belonged. RNA fragments of SARS-CoV-2 were detected in every site since the beginning of the monitoring, anticipating viral circulation in the population. Over the course of the 21-week study, the concentrations of SARS-CoV-2 ranged between 1.77 × 10 4 and 4.35 × 10 7 genome copies/L. There was a correspondence with the highest viral load in wastewater and the peak number of cases reported by the app for each catchment. The associations were evaluated with correlation analysis. The viral loads of SARS-CoV-2 in wastewater were a feasible means to describe the trends of COVID-19 infections. Surveillance at sewershed scale, provided reliable and strategic information that could be used by local health stakeholders to manage the COVID-19 pandemic., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier B.V. All rights reserved.)

Immunizations for influenza and pneumococcus are effective interventions in reducing morbidity and mortality. The objective of this study was to describe the vaccination rates in volunteers from three regions of Argentina during the COVID-19 pandemic. In 2020, 3853 adults were surveyed, 61.6 % were females, 45 % were aged between 40 and 60 and 18.6 % were > 60 years old. The commonest comorbidities were hypertension (12.9 %), dyslipidemia (8.5 %), and smokers or former smokers (9.2 %). The global influenza vaccination rate was 37.7 %, pneumococcal vaccination 24.7 %, and both 17.8 %. Multivariable regression showed that the vaccination rate increased with age and the presence of comorbidities. However, in the subgroup with indications for both vaccines, 71.7 % had the influenza vaccine, 59 % had the pneumococcal vaccine, and 28.3 % received neither. Our study suggests that influenza and pneumococcal vaccine percentages in high-risk patients in Argentina remain sub-optimal. Immunizations with proven reductions in morbimortality could have also been relegated during the COVID pandemic., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Ltd. All rights reserved.)

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Background: Although there has developed an increased interest in the vaccines BNT1622b2 (Pfizer/BioNTech), mRNA-1273 (Moderna/NIAID), and ChAdOx1 nCoV-19 (AstraZeneca/University of Oxford), there are still few reports describing the immune response induced by different vaccine platforms in real-world settings of low-income countries. Here, we proposed to analyse the humoral immune response elicited by the primary vaccines used in Argentina from July-December 2021., Methods: Anti-SARS-CoV-2-Spike-RBD IgG and neutralising antibodies were assayed by ELISA in a total of 871 serum samples obtained from 376 volunteers from an educational staff. The individuals were vaccinated with BBIBP-CorV (Sinopharm), ChAdOx1 nCoV-19 (AstraZeneca/University of Oxford, AZ), Gam-COVID-Vac (Sputnik V, SpV) or combined vaccines (mostly SpV and mRNA-1273, Moderna). The antibody response was analysed several days after the initial vaccination (20, 40, 120 and 180 days)., Results: After receiving at least one dose of the COVID-19 vaccine, we detected 93.34% of seroprevalence. Previously SARS-CoV-2 infected showed higher antibody concentrations compared with naïve vaccinees. Six months after the initial vaccination, combined vaccination induced higher anti-SARS-CoV-2 antibody levels than the other vaccines in naïve volunteers. However, we did not find differences in the neutralising responses after any vaccine from naïve vaccines or between the naïve and previously infected volunteers on day 120 after vaccination., Conclusions: Our long-term analysis of volunteers from the educational system provides data in a real-world context, showing the benefits of a boost dose still in previously infected volunteers, and suggesting the advantages of a heterologous prime-boost schedule., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier Ltd. All rights reserved.)

This paper is an ethnographic case study of COVID-19 emergence in Santo Tomé (South America, NE Argentina, ≂25,000 inhabitants). Based on interviews with healthcare personnel, we describe local containment and prevention policies in a context of national lockdown measures. We reconstruct a tree diagram of infections, index cases and close contacts that spread infection locally. In parallel, fieldwork in a sample of impoverished subsistence agricultures and fishermen allows us to describe drought and fresh food production decline during confinement as convergent ecocrises (pluralea interactions) with the SARS-CoV-2 outbreak. The core idea of the article, which emerged from ethnographic fieldwork evidence, is that in the context of climate change, the sudden onset of an infectious disease interacts with convergent ecocrises. [ABSTRACT FROM AUTHOR]

A Chatbot or Conversational Agent is a computer application that simulates the conversation with a human person (by text or voice), giving automated responses to people's needs. In the healthcare domain, chatbots can be beneficial to help patients, as a complement to care by health personnel, especially in times of high demand or constrained resources such as the COVID-19 Pandemic. In this paper we share the design and implementation of a healthcare chatbot called Tana at the Hospital Italiano de Buenos Aires. Considering best practices and being aware of possible unintended consequences, we must take advantage of information and communication technologies, such as chatbots, to analyze and promote useful conversations for the health of all people.

WHO and UNICEF highlight vaccination as the most cost-effective method of prevention of infectious diseases. An effective public health strategy requires efficient tracking of vaccination to assess coverage, safety, and efficacy of these vaccines. Paper-based immunization records are still being used in most low and middle-income countries. Adequate Electronic Logistic Management Information Systems, Immunization Registries and Records are crucial for proper data collection and analysis, and for making better decisions at an individual and at a population level. In this paper we share our experience in the redesign of an interoperable immunization record to track vaccination, including the recently developed vaccines for the novel coronavirus SARS-CoV-2 (COVID-19).

Objective: Postpartum women are a vulnerable population to pandemic stressors that challenge their psychological well-being. Thus, reliable and valid instruments are necessary to measure pandemic-related stress and to identify risk and protective factors. This work aimed to assess psychometric properties of the COVID-19 Pandemic-Related Stress Scale (PSS-10-C) and associations of maternal pandemic stress with demographic, reproductive and pandemic factors of Argentinian postpartum women during the second COVID-19 wave., Design: An online cross-sectional survey was conducted from April to June 2021., Setting: Online recruitment of postpartum women was carried out during the second wave of COVID-19 in Argentina. This study was conducted in accordance with the Declaration of Helsinki and had the corresponding ethical approval., Participants: This study was performed on 300 women, aged 18-49 years, up to 12 months postpartum in Argentina., Measurements and Findings: Stress was assessed with PSS-10-C, with a sociodemographic questionnaire being used to collect demographic, reproductive and pandemic variables. Statistical analysis included psychometric procedures, structural equation modeling, and multiple regressions. PSS-10-C was a reliable and structurally valid instrument with two subscales, with entire scale, Stress and Coping subscales scoring 17.31 (6.52), 9.70 (4.61) and 7.61 (2.77), respectively. History of mood disorders, pregnancy loss, and unhealthy child during the pandemic predisposed to increased stress (β > 0.10, p < 0.05), whereas having work and practicing breastfeeding promoted coping to face it (β < -0.13, p < 0.05). This situation was impaired by mood changes, loss of happiness, economic changes, fear of contracting COVID-19 -own or by a loved one- (β > 0.11, p < 0.05)., Key Conclusions: The study highlighted the vulnerability of postpartum women's mental health in the pandemic context, with PSS-10-C being a useful instrument for clinicians and researchers to assess perceived stress. Targeting interventions toward women at higher risk can be highly beneficial for maternal and child health., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships. That could have appeared to influence the work reported in this paper., (Copyright © 2022. Published by Elsevier Ltd.)

This work is focused on the multilevel control of the population confinement in the city of Buenos Aires and its surroundings due to the pandemic generated by the COVID-19 outbreak. The model used here is known as SEIRD and two objectives are sought: a time-varying identification of the infection rate and the inclusion of a controller. A control differential equation has been added to regulate the transitions between confinement and normal life, according to five different levels. The plasma treatment from recovered patients has also been considered in the control algorithm. Using the proposed strategy the ICU occupancy is reduced, and as a consequence, the number of deaths is also decreased., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2021 ISA. Published by Elsevier Ltd. All rights reserved.)

The article discusses how the Argentine socio -political polarization known as la grieta has influenced the country’s politics and impacted democratic standards during the Covid -19 pandemic. It uses qualitative data to present the nature of Argentine socio -political polarization, the outbreak of the Covid -19 pandemic in Argentina and new areas of polarization that emerged in the country under the pandemic situation, mainly the quarantine measures and vaccination campaign. The paper also takes a look on potential challenges for the Argentine democracy in a post -pandemic reality. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic has challenged authorities at different levels of government administration around the globe. When faced with diseases of this severity, it is useful for the authorities to have prediction tools to estimate in advance the impact on the health system as well as the human, material, and economic resources that will be necessary. In this paper, we construct an extended Susceptible-Exposed-Infected-Recovered model that incorporates the social structure of Mar del Plata, the 4°most inhabited city in Argentina and head of the Municipality of General Pueyrredón. Moreover, we consider detailed partitions of infected individuals according to the illness severity, as well as data of local health resources, to bring predictions closer to the local reality. Tuning the corresponding epidemic parameters for COVID-19, we study an alternating quarantine strategy: a part of the population can circulate without restrictions at any time, while the rest is equally divided into two groups and goes on successive periods of normal activity and lockdown, each one with a duration of τ days. We also implement a random testing strategy with a threshold over the population. We found that τ=7 is a good choice for the quarantine strategy since it reduces the infected population and, conveniently, it suits a weekly schedule. Focusing on the health system, projecting from the situation as of September 30, we foresee a difficulty to avoid saturation of the available ICU, given the extremely low levels of mobility that would be required. In the worst case, our model estimates that four thousand deaths would occur, of which 30% could be avoided with proper medical attention. Nonetheless, we found that aggressive testing would allow an increase in the percentage of people that can circulate without restrictions, and the medical facilities to deal with the additional critical patients would be relatively low., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2021 Elsevier Inc. All rights reserved.)

Fitting Susceptible-Infected-Recovered (SIR) models to incidence data is problematic when not all infected individuals are reported. Assuming an underlying SIR model with general but known distribution for the time to recovery, this paper derives the implied differential-integral equations for observed incidence data when a fixed fraction of newly infected individuals are not observed. The parameters of the resulting system of differential equations are identifiable. Using these differential equations, we develop a stochastic model for the conditional distribution of current disease incidence given the entire past history of reported cases. We estimate the model parameters using Bayesian Markov Chain Monte-Carlo sampling of the posterior distribution. We use our model to estimate the transmission rate and fraction of asymptomatic individuals for the current Coronavirus 2019 outbreak in eight American Countries: the United States of America, Brazil, Mexico, Argentina, Chile, Colombia, Peru, and Panama, from January 2020 to May 2021. Our analysis reveals that the fraction of reported cases varies across all countries. For example, the reported incidence fraction for the United States of America varies from 0.3 to 0.6, while for Brazil it varies from 0.2 to 0.4., Competing Interests: The authors have declared that no competing interests exist.

Introduction: Neuropsychiatric symptoms are common in patients with mild cognitive impairment and dementia. This symptomatology can appear or be exacerbated with changes in routine and in the patient's usual environment. The lockdown situation during the COVID-19 pandemic has meant a drastic and unexpected change in the daily life of the general population, with a particular impact on the most physically and mentally vulnerable groups, including patients with cognitive impairment., Aim: To know the impact of lockdown measures imposed due to the COVID-19 pandemic on neuropsychiatric symptomatology in people with mild cognitive impairment and dementia., Materials and Methods: Exploratory systematic review, in accordance with the PRISMA guidelines, of Pubmed and Psycinfo databases papers published from January 2020 to April 2021 which related confinement due to COVID-19 with the presentation or worsening of neuropsychiatric symptoms in patients with mild cognitive impairment mild or dementia., Results: Worsening of neuropsychiatric symptoms was observed in patients with dementia and mild cognitive impairment, especially agitation/aggression, anxiety, depression and apathy. Neuropsychiatric symptoms were more common in patients with dementia than in those with mild cognitive impairment, although their typology varied depending on the severity of dementia., Conclusions: During lockdown a worsening in the psychobehavioral area has been observed in people with mild cognitive impairment or dementia. Therefore, considerations arise on the need of promoting social contact in people with mild cognitive impairment and dementia, avoiding situations of isolation and low stimulation.

This paper assesses how Argentine public universities responded to the crisis of the Covid-19 pandemic in three dimensions: teaching and learning, scientific research and community engagement, and internationalization activities. For each of the dimensions, the actions developed, and the challenges encountered are presented. I argue that the response was quick and consistent: it is related to an academic culture that is framed in the right to university, both individual right (access, permanence, and graduation to all citizens) and collective right (benefit socio-community development). The article concludes with a preliminary analysis of the agenda items to advance regulations and policies. On several occasions a self-reflective exercise is carried out, as part of a community that is going through this situation of extraordinary urgency. [ABSTRACT FROM AUTHOR]

In the current pandemic of COVID-19, sewage surveillance of SARS-CoV-2 genome has been used to complement viral epidemiology in different countries. The aim of this work was to introduce and evaluate this wastewater-based tool in the metropolitan region of Buenos Aires, Argentina. As a pilot study, surveillance of SARS-CoV-2 in wastewater from three districts of this area was performed for more than nine months from June 2020 to April 2021. Viruses present in the samples were concentrated using polyethylene glycol precipitation and quantified using RT-qPCR CDC N1 assay. Virus recovery for SARS-CoV-2 and a potential surrogate, bovine coronavirus Mebus strain, that shares the Betacoronavirus genus and structural characteristics with SARS-CoV-2, were evaluated after concentration and detection procedures. Recovery of both viruses did not differ significantly, with a median for SARS-CoV-2 and BCoV of 0.085 (95% CI: 0.021-0.179) and 0.262 (95% CI: 1.18 × 10 -5 -0.564) respectively. The concentration of SARS-CoV-2 genome in wastewater ranged from 10 -1 to 10 3 cg/ml, depending on the wastewater treatment plant, type of collection site, viral recovery of the concentration method and the epidemiological situation of the outbreaks. Significant correlations were observed between SARS-CoV-2 concentration in wastewater and reported clinical cases, reinforcing the utility of this approach to monitor the epidemiological status of populations., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2021 Elsevier B.V. All rights reserved.)

The purpose of this paper is to identify and analyze how prison systems in Argentina, Chile, Colombia, and Mexico respond to the coronavirus disease (COVID-19). It explores the challenges these institutions face, the actions taken, the beneficiaries from such measures, and their immediate effect. We argue that governments and prison authorities struggle to put in place comprehensive measures to prevent and control the spread of COVID-19 within these institutions and that more concrete and swift actions are needed to address the magnitude and the consequences of the pandemic. This paper uses both primary and secondary data to describe the current prison situation and analyze institutional responses to the COVID-19 pandemic in these countries. [ABSTRACT FROM AUTHOR]

Based on a novel survey for Argentina, this paper provides evidence of the changes in time allocation within couples during the COVID-19 emergency. The survey was conducted online during the period of national lockdown in 2020 and collected information on hours allocated to paid work, housework, child care, educational childcare and leisure by both members of the couple before and during the lockdown, as well as socio-demographic characteristics. Our sample consists of 961 couples of which 785 have children. Our results indicate that during the lockdown, despite a reduction in time assigned to paid work and an increase in time spent in unpaid activities for both members of the couple, gender gaps regarding the latter increased. Specifically, while the load of men and women's work for pay became more equitable, women took up a larger proportion of the additional housework and childcare. We found that some factors mitigated (whether the man reduced his hours of work or whether both partners kept on doing so) while others potentiated (whether the woman reduced her hours of work, whether she continued working from home, or whether the couple outsourced housework before lockdown) the changes in the within-couple gender gaps in unpaid activities. [ABSTRACT FROM AUTHOR]

In this paper, we group South American countries based on the number of infected cases and deaths due to COVID-19. The countries considered are: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Paraguay, Uruguay, and Venezuela. The data used are collected from a database of Johns Hopkins University, an institution that is dedicated to sensing and monitoring the evolution of the COVID-19 pandemic. A statistical analysis, based on principal components with modern and recent techniques, is conducted. Initially, utilizing the correlation matrix, standard components and varimax rotations are calculated. Then, by using disjoint components and functional components, the countries are grouped. An algorithm that allows us to keep the principal component analysis updated with a sensor in the data warehouse is designed. As reported in the conclusions, this grouping changes depending on the number of components considered, the type of principal component (standard, disjoint or functional) and the variable to be considered (infected cases or deaths). The results obtained are compared to the k-means technique. The COVID-19 cases and their deaths vary in the different countries due to diverse reasons, as reported in the conclusions.

In Argentina, overcrowded conditions and poor sanitation that exist in many prisons across the country threatened to contribute to the spread of COVID-19, increase mortality rates, and place the health system at high risk of collapse. In response, between March and May 2020, the Argentine government ordered the transfer of some prison inmates to home imprisonment, thus implementing international health organisations' guidelines. The conditions of the inmates and the crisis that the prison sector was experiencing, became a central issue in the public agenda during the first months of the pandemic. In this paper, I analyse the social attitudes of Twitter users, employing critical discourse analysis tools to explore the cognitive social patterns that enable the reproduction of whiteness and its exclusion practices. Drawing on a broad sample of 16,836 tweets spanning from January to July 2020, I focus on those tweets that discuss the release of prisoners due to COVID-19. This analysis unmasks the conflictive relationship between the sector of the population invested in the idea of a nation linked to supposed European origins and those who deviate from this national myth. Consequently, the tweets operate as a cultural manifestation on whiteness in the context of an profound humanitarian crisis. They compose a sort of escape valve favoured by the anonymity and the affordances of the medium, where racism, dehumanization, eliminationism, and contempt for otherness are gruesomely exposed. [ABSTRACT FROM AUTHOR]

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In this study, our aim is to explore the dynamics of COVID-19 or 2019-nCOV in Argentina considering the parameter values based on the real data of this virus from March 03, 2020 to March 29, 2021 which is a data range of more than one complete year. We propose a Atangana–Baleanu type fractional-order model and simulate it by using predictor–corrector (P-C) method. First we introduce the biological nature of this virus in theoretical way and then formulate a mathematical model to define its dynamics. We use a well-known effective optimization scheme based on the renowned trust-region-reflective (TRR) method to perform the model calibration. We have plotted the real cases of COVID-19 and compared our integer-order model with the simulated data along with the calculation of basic reproductive number. Concerning fractional-order simulations, first we prove the existence and uniqueness of solution and then write the solution along with the stability of the given P-C method. A number of graphs at various fractional-order values are simulated to predict the future dynamics of the virus in Argentina which is the main contribution of this paper. [ABSTRACT FROM AUTHOR]

Copyright of Revista Contexto is the property of Universidad Externado de Colombia, Departamento de Derecho Economico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

If there is one thing we can be sure about the COVID-19 pandemic, it is that it caused an irruption of such magnitude throughout the world that the resonances of the multiple and varied changes it generated have yet to be seen. In relation to communication processes, the demand for information in real time increased and the media took center stage, especially in an initial period when the possibilities of intersubjective contrasts between people were diminished by the confinements. But this was not a constant: as the pandemic spread over time, it lost its novelty character and went from center stage to backdrop in media coverage. This research describes the thematic shifts and the predominant frames that La Nación, Clarín (in its digital versions) and Infobae deployed in their coverage of the pandemic between 2020 and 2022. Framed in the contributions of the agenda setting and framing theories, this paper starts with a quantitative content analysis and compares four specific time frames (April 2020, October 2020, May 2021 and January 2022), chosen for having represented significant peaks in the development of the pandemic in national health terms. The analysis shows that the concentration of the health issue, as well as the prominence of the variables that make up the morality and human interest frames were diluted over time, making the frames in the coverage of the issue less compact and more dispersed. [ABSTRACT FROM AUTHOR]

With the first confirmed cases of COVID-19 in March 2020, a long and strict lockdown was implemented in Argentina, as a means of avoiding health services collapse. Measures were taken early in order to strengthen the health system before the potential spread of the virus. Mandatory isolation measures impacted on the energy system: they modified energy demand and production patterns, and caused reasons for uncertainty among investors and project stakeholders. Nevertheless, profound changes caused by the pandemic, pave the way for the adoption of sustainable solutions with the potential to improve people's quality of life. This paper aims to explore the effects of the COVID-19 lockdown on the Argentinian energy sector and on the course of the transition. By means of secondary sources, such as public reports and national statistics, and semi-structured interviews, changes in the energy sector are analysed as well as local-scale alternatives for the post-pandemic. Community-led energy initiatives and the possibility of implementing sustainable practices, could contribute to reducing uncertainty and valorizing local resources and capabilities. [ABSTRACT FROM AUTHOR]

The objective of this paper is to describe the framing of the pandemic that the world currently endures during the mandatory quarantine taking place in Argentina. This particular study is part of a bigger corpus of research that investigates the relationship between discourses held by enterprises, politicians and media in the digital age and how it affects communication at times of crisis. This is a qualitative study that explores emerging metaphorical language that is being implemented to communicate salient aspects of the unprecedented phenomenon that is COVID-19 in a partial way. It is important to point out that the analysis is made at the same time that the crisis is unfolding. In order to develop this perspective, we will rely on a previous framework developed to study communication of crisis. Our research has led us to identify a “family” of metaphors that emerge from the headlines of the corpus: war, care and time. Identifying and understanding the emerging metaphors is the first step to avoid contradictions that can lead to double binds. [ABSTRACT FROM AUTHOR]

Based on a synthetic overview that embraces the evolution of the 'health' concept, and its related institutions, from the role of health as the main indicator of fundamental human rights—as envisaged in the Universal Declaration of Human Rights—to its qualification as the systems of disease control dependent on criteria of economic sustainability, the paper focuses on the implications and the impact of such evolution in two model scenarios which are centred on the COVID-19 pandemia. The article analyses COVID-19 both in the characteristics of its global dynamics and in its concrete management, as performed in a model medium income country, Argentina. In a world which has progressively assigned market values and goods an absolute strategic and political priority over the health needs and the rights to health of individual and peoples, the recognition of health as human right is confined to aspirational recommendations and rather hollowed out declarations of good will. [ABSTRACT FROM AUTHOR]

We simulate the short- and long-term distributional consequences of COVID-19 in the four largest Latin American economies: Argentina, Brazil, Colombia, and Mexico. We show that the short-term impact on income inequality and poverty can be very significant, but that additional spending on social assistance more than offsets the effect in Brazil. The offsetting effect is significant in Argentina and Colombia and nil in Mexico, where there has been no such expansion. We find that a universal basic income that would have produced the same reduction in the poverty gap as actual policies would have cost slightly more but would have benefited the poor (the nonpoor) slightly less (more). To project the longterm consequences, we estimate the impact of the pandemic on school achievement and its intergenerational persistence. We use information on school closures, educational mitigation policies, and account for educational losses related to health shocks and parental job loss. Our findings show that in all four countries the impact is strongly asymmetric and affects particularly the high-school completion rates of children from disadvantaged families. Our simulations suggest that mitigation policies seem to have a minor impact on containing these negative effects. [ABSTRACT FROM AUTHOR]

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Background: Pandemic fatigue generates low motivation or the ability to comply with protective behaviors to mitigate the spread of COVID-19. Aims: This study aimed to analyze the symptoms of pandemic fatigue through network analysis in individuals from five South American countries. Method: A total of 1,444 individuals from Argentina, Bolivia, Paraguay, Peru, and Uruguay participated and were evaluated using the Pandemic Fatigue Scale. The networks were estimated using the ggmModSelect estimation method and a polychoric correlation matrix was used. Stability assessment of the five networks was performed using the nonparametric resampling method based on the case bootstrap type. For the estimation of network centrality, a metric based on node strength was used, whereas network comparison was performed using a permutation-based approach. Results: The results showed that the relationships between pandemic fatigue symptoms were strongest in the demotivation dimension. Variability in the centrality of pandemic fatigue symptoms was observed among participating countries. Finally, symptom networks were invariant and almost identical across participating countries. Conclusions: This study is the first to provide information on how pandemic fatigue symptoms were related during the COVID-19 pandemic. [ABSTRACT FROM AUTHOR]

This paper analyzes the media agendas on the vaccination process against Covid-19 in the main digital media in Argentina and the consumption of these news on Facebook, the main world´s social network. From a content analysis on the most relevant news in digital media on the subject and on those with the highest level of engagement, it was intended to determine: 1) the thematic composition of both agendas; 2) the differential presence of actors and points of view in the news; 3) the predominant affective attributes in the media treatment and in the public agenda; and 4) the frames that shaped the information in each of the platforms. The results show the existence of news gaps in terms of topics and frames, in a context of a heavily concentrated media environment. [ABSTRACT FROM AUTHOR]

This paper presents a method to estimate excess mortality where national data are missing for some or all of the coronavirus disease 2019 (COVID-19) pandemic period, but subnational data exist, such as in Argentina. By making use of the stability of the regional distribution of deaths, data on deaths in Córdoba province were used to project excess deaths in Argentina from March 2020 up to the end of 2021. The number of excess deaths was estimated at 134 504, which is 14.8% higher than the reported number of COVID-19 deaths in Argentina for the same time period. [ABSTRACT FROM AUTHOR]

This study examines the COVID-19 pandemic's immediate and long-term impact on Argentina's labor market with a focus on gender disparities and the mediating role of the public vs. private sectors. Using household survey data, we assess men and women's employment trends before, during, and after the pandemic. Our findings reveal gender-specific recovery patterns that interact with the employment sector. The most prominent short-term effect of the pandemic was a dramatic increase in inactivity for both men and women. However, men recovered their level of labor force participation sooner than women, and one of the mechanisms behind this disparity was sector employment. While men predominantly benefitted from quicker reintegration in both the formal and informal private sectors, women leaned toward the public sector for stability during and after the pandemic. The heightened feminization of public sector employment is a further indication that the sector is critical for sustaining women's employment and promoting gender equity in the labor market. [ABSTRACT FROM AUTHOR]