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BackgroundWe examined HIV prevalence and transmission dynamics among people who inject drugs in the U.S./Mexico border region during the COVID-19 pandemic.MethodsPeople who inject drugs aged ≥18 years from 3 groups were recruited: people who inject drugs who live in San Diego (SD) and engaged in cross-border drug use in Tijuana, Mexico (SD CBDUs), and people who inject drugs in SD and Tijuana (TJ) who did not engage in cross-border drug use (NCBDUs). We computed HIV prevalence at baseline and bivariate incidence-density rates (IR) at 18-month follow-up. Bayesian phylogenetic analysis was used to identify local transmission clusters, estimate their age, and effective reproductive number (Re) over time within the clusters.FindingsAt baseline (n = 612), 26% of participants were female, 9% engaged in sex work, and HIV prevalence was 8% (4% SD CBDU, 4% SD NCBDU, 16% TJ NCBDU). Nine HIV seroconversions occurred over 18 months, IR: 1.357 per 100 person-years (95% CI: 0.470, 2.243); 7 in TJ NCBDU and 2 in SD CBDU. Out of 16 identified phylogenetic clusters, 9 (56%) had sequences from both the U.S. and Mexico (mixed-country). The age of three youngest mixed-country dyads (2018-2021) overlapped with the COVID-related US-Mexico border closure in 2020. One large mixed-country cluster (N = 15) continued to grow during the border closure (Re = 4.8, 95% Highest Posterior Density (HPD) 1.5-9.1) with 47% engaging in sex work.InterpretationAmidst the COVID-19 pandemic and the border closure, cross-border HIV clusters grew. Efforts to end the HIV epidemic in the U.S. should take into account cross-border HIV-1 transmission from Tijuana. Mobile harm reduction services and coordination with municipal HIV programs to initiate anti-retroviral therapy and pre-exposure prophylaxisis are needed to reduce transmission.FundingThis research was supported by the James B. Pendleton Charitable Trust and the San Diego Center for AIDS Research.

Black and Latinx transgender women in the United States (U.S.) are at disproportionately high risk for HIV. Although HIV pre-exposure prophylaxis (PrEP) reduces the risk of HIV infection, uptake and persistence (i.e., ability to continue taking PrEP over time) can be a challenge for Black and Latinx transgender women due to myriad social and structural forces. In this qualitative study, we present unique data on the facilitators of PrEP persistence from Black and Latinx transgender women who initiated PrEP and exhibited varying levels of persistence during a demonstration project in Southern California. PrEP persistence was assessed by collecting quantitative intracellular tenofovir-diphosphate (TFV-DP) levels on dried blood spot (DBS) samples collected at weeks 12 and 48. Informed by the socioecological framework, we conducted and analyzed interviews using qualitative content analysis to determine themes on the facilitators of PrEP persistence. Individual-level facilitators included the use of reminders, having high individual-level HIV risk perception, feeling empowered to take PrEP, and reporting having improved peace of mind and mental health because of taking PrEP. Interpersonal/Community-level facilitators included feeling motivation to prevent HIV in the community, motivation to prevent HIV in the context of sex work, and having high community-level risk perception. Structural-level facilitators included having positive experiences in affirming healthcare settings and having PrEP visits combined with other gender-related healthcare visits. Interventions aiming to increase PrEP uptake and persistence among Black and Latinx transgender women in the U.S. should harness the multiple levels of support exhibited by those who were able to start and persist on PrEP in the face of the myriad social and structural barriers.

ObjectiveTo evaluate the associations between parent confidence in avoiding hospitalization and subsequent hospitalization in children with medical complexity (CMC); and feasibility/acceptability of a texting platform, Assessing Confidence at Times of Increased Vulnerability (ACTIV), to collect repeated measures of parent confidence.Study designThis prospective cohort study purposively sampled parent-child dyads (n = 75) in 1 of 3 complex care programs for demographic diversity to pilot test ACTIV for 3 months. At random days/times every 2 weeks, parents received text messages asking them to rate confidence in their child avoiding hospitalization in the next month, from 1 (not confident) to 10 (fully confident). Unadjusted and adjusted generalized estimating equations with repeated measures evaluated associations between confidence and hospitalization in the next 14 days. Post-study questionnaires and focus groups assessed ACTIV's feasibility/acceptability.ResultsParents were 77.3% mothers and 20% Spanish-speaking. Texting response rate was 95.6%. Eighteen hospitalizations occurred within 14 days after texting, median (IQR) 8 (2-10) days. When confidence was

Author(s): Carrie L. Nacht [sup.1] , Michelle M. Kelly [sup.1] , M. Bruce Edmonson [sup.1] , Daniel J. Sklansky [sup.1] , Kristin A. Shadman [sup.1] , Amy J. H. Kind [...], Objective Although individual-level social determinants of health (SDH) are known to influence 30-day readmission risk, contextual-level associations with readmission are poorly understood among children. This study explores associations between neighborhood disadvantage measured by Area Deprivation Index (ADI) and pediatric 30-day readmissions. Methods This retrospective cohort study included discharges of patients aged < 20 years from Maryland&apos;s 2013-2016 all-payer dataset. The ADI, which quantifies 17 indicators of neighborhood socioeconomic disadvantage within census block groups, is used as a proxy for contextual-level SDH. Readmissions were identified with the 30-day Pediatric All-Condition Readmissions measure. Associations between ADI and readmission were identified with generalized estimating equations adjusted for patient demographics and clinical severity (Chronic Condition Indicator [CCI], Pediatric Medical Complexity Algorithm [PMCA], Index Hospital All Patients Refined Diagnosis Related Groups [APR-DRG]), and hospital discharge volume. Results Discharges (n = 138,998) were mostly female (52.7%), publicly insured (55.1%), urban-dwelling (93.0%), with low clinical severity levels (0-1 CCIs [82.3%], minor APR-DRG severity [48.4%]). Overall readmission rate was 4.0%. Compared to the least disadvantaged ADI quartile, readmissions for the most disadvantaged quartile were significantly more likely (aOR 1.19, 95% CI 1.09-1.30). After adjustment, readmissions were associated with public insurance and indicators of medical complexity (higher number of CCIs, complex-chronic disease PMCA, and APR-DRG severity). Conclusion In this all-payer, statewide sample, living in the most socioeconomically disadvantaged neighborhoods independently predicted pediatric readmission. While the relative magnitude of neighborhood disadvantage was modest compared to medical complexity, disadvantage is modifiable and thus represents an important consideration for prevention and risk stratification efforts.

About one-third of sexual minority men (SMM) report intimate partner violence (IPV) victimization, and one-fourth report IPV perpetration, in their lifetime. IPV disclosure and help seeking are key processes of coping with or managing exposure to abuse. We surveyed 500 SMM residing across the United States who enrolled in project EROS (Empowering Relationships and Opportunities for Safety). In all, 201 participants reported any type of IPV in the past 6 months (including 109 who reported both victimization and perpetration); these men were then categorized as experiencing balanced bidirectional (n = 53), predominantly victimization (n = 113), and predominantly perpetration (n = 35) IPV. In each of these groups, close to one-third (25.7%–34.5%) had disclosed their IPV experience and one-fifth (13.2%–20.0%) had sought help; however, within the perpetration group, none of the 16 participants who only reported perpetration (the other 19 reported some victimization) disclosed their IPV. Group sizes allowed us to examine correlates of IPV disclosure and help seeking among the bidirectional and victimization groups, from among demographic, psychosocial, relational, and IPV characteristics, using bivariate statistics and multiple logistic regression. Greater IPV victimization was positively correlated with disclosure in both groups, and it was the lone independent correlate in multiple regression analysis (in the victimization group). Greater IPV victimization was also a strong positive and independent correlate of help seeking in multiple regression analysis within the victimization group, as was greater partner assertiveness in conflict resolution. There were no independent correlates of disclosure and help seeking within the bidirectional group. These findings highlight the need for efforts to empower SMM to seek support and services when exposed to IPV, and to do so early in the occurrence of IPV. [ABSTRACT FROM AUTHOR]