Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Access to HIV-prevention in female sex workers in Ukraine between 2009 and 2017: coverage, barriers and facilitators
Face mask fit modifications that improve source control performance
Contact patterns before and during the UK's Autumn 2020 COVID-19 lockdown among university students and staff
Social relationships and activities following elimination of SARS-CoV-2: a qualitative cross-sectional study
PSMA-Hornet: fully-automated, multi-target segmentation of healthy organs in PSMA PET/CT images
Introducing the 4Ps Model of Transitioning to Distance Learning: a convergent mixed methods study conducted during the COVID-19 pandemic.
Circulating metabolic biomarkers are consistently associated with incident type 2 diabetes in Asian and European populations - a metabolomics analysis in five prospective cohorts
Regression Tree Modelling to Predict Total Average Extra Costs in Household Spending During COVID-19 Pandemic
Ex-vivo mucolytic and anti-inflammatory activity of BromAc in tracheal aspirates from COVID-19
High throughput wastewater SARS-CoV-2 detection enables forecasting of community infection dynamics in San Diego county
Dose-response modelling of endemic coronavirus and SARS-CoV-2: human challenge trials reveal the individual variation in susceptibility
Feasibility and effectiveness of daily temperature screening to detect COVID-19 in a large public university setting
VinDr-PCXR: An open, large-scale chest radiograph dataset for interpretation of thoracic diseases in children
A fourth dose of the mRNA-1273 SARS-CoV-2 vaccine improves serum neutralization against the delta variant in kidney transplant recipients
Evaluation of anti-SARS-CoV-2 antibody testing in asymptomatic or mild COVID-19 patients in outbreak on a cruise ship
Post-acute COVID-19 sequelae in cases managed in the community or hospital in the UK: a population based study
pIVW: A novel Mendelian Randomization Method Accounting for Weak Instruments and Horizontal Pleiotropy with Applications to the COVID-19 Outcomes
Characteristics and preparedness for COVID-19 outbreaks of Australian residential aged care facilities: A cross-sectional survey
Development and use analysis of 'gestioemocional.cat', a web app for promoting emotional self-care and access to professional mental health resources during the covid-19 pandemic
National Excess Mortality from Sub-National data: Method and Application for Argentina
SARS-CoV-2 infection induces autoimmune antibody secretion more in lean than in obese COVID-19 patients
Initial evaluation of a mobile SARS-CoV-2 RT-LAMP testing strategy
Safety and Pharmacokinetics of Intranasally Administered Heparin
Innate immune activation restricts priming and protective efficacy of the radiation-attenuated PfSPZ malaria vaccine
Genomic and Virological Characterization of SARS-CoV-2 Variants in a Subset of Unvaccinated and Vaccinated U.S. Military Personnel
Reassessing referred sensations following peripheral deafferentation and the role of cortical reorganisation