Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: SARS-CoV-2 serostatus of healthcare worker in the Austrian state Vorarlberg between June 2020 and January 2021
Environmental monitoring and health assessment in an industrial town in central India: A cross-sectional study protocol
Differentials and determinants of immunization coverage among children aged 12-36 months in India: Analysis of nationally-representative, population-based survey data
The Use of Procalcitonin as an Antimicrobial Stewardship Tool and a Predictor of Disease Severity in COVID-19
The Impact of COVID-19 Vaccination on California's Return to Normalcy
Knowledge towards breast cancer, and breast self-examination practices and its barriers among university female students in Bangladesh: Findings from a cross-sectional study
Accuracy of Attestation Among Mohs and Dermatologic Surgery Diplomates
The implementation and outcome of a 2-year prospective audit and feedback based antimicrobial stewardship program at a private tertiary care hospital
Implementation Science Protocol for a participatory, theory-informed implementation research programme in the context of health system strengthening in sub-Saharan Africa (ASSET-ImplementER)
Pay-it-forward to improve influenza vaccine uptake and public engagement among children and older adults in China: three-arm quasi-experimental pragmatic trial
Tau pathology mediates the effects of amyloid on neocortical tau propagation and neurodegeneration among non-demented individuals
Preliminary Analysis of Excess Mortality in India During the Covid-19 Pandemic (Update August 4, 2021).
Efficacy and safety of a third SARS-CoV-2 vaccination in multiple sclerosis vaccine non-responders
Diagnostic accuracy of PanbioTM rapid antigen tests on oropharyngeal swabs for detection of SARS-CoV-2
How to coordinate vaccination and social distancing to mitigate SARS-CoV-2 outbreaks
Risk of heart disease following breast cancer: results from a population-based cohort study
Modeling aerial transmission of pathogens (including the SARS-CoV-2 virus) through aerosol emissions from e-cigarettes
Relation of vaccination with severity, oxygen requirement and outcome of COVID-19 infection in Chattogram, Bangladesh
The impact of heating, ventilation and air conditioning (HVAC) design features on the transmission of viruses, including SARS-CoV-2: an overview of reviews
Is Human Bocavirus Infection Associated with Gastroenteritis in Children? An Updated Systematic Review and Meta-analysis
Genetic Polymorphisms Associated with Adverse Pregnancy Outcomes in Nulliparas
Impact of COVID-19 on Pediatric Emergency Department Visits: A Retrospective Cohort Study.
Sequence Analysis of 20,453 SARS-CoV-2 Genomes from the Houston Metropolitan Area Identifies the Emergence and Widespread Distribution of Multiple Isolates of All Major Variants of Concern
Probability and Estimated Risk of SARS-CoV-2 Transmission in the Air Travel System: A Systemic Review and Meta-Analysis
regentrans: a framework and R package for using genomics to study regional pathogen transmission
A slow road from meat dominance to more sustainable diets: an analysis of purchase preferences