Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: How well do face masks protect the wearer compared to public perceptions?
The association between WASH, nutrition, and early childhood growth faltering in rural Cambodia: a cross-sectional risk factor analysis
Scientists' opinion, attitudes, and consensus towards immunity passports
SARS-CoV-2 variants of concern Alpha and Delta show increased viral load in saliva
Effectiveness of CoronaVac among healthcare workers in the setting of high SARS-CoV-2 Gamma variant transmission in Manaus, Brazil: A test-negative case-control study
Detecting a History of Repetitive Head Impacts from a Short Voice Recording
Common, low-frequency, rare, and ultra-rare coding variants contribute to COVID-19 severity.
Developing research knowledge through special study module: Notes from year 2 medical students
Population Changes in Seroprevalence among a Statewide Sample in the United States
Immunodominant B cell epitope in SARS-CoV-2 RBD comprises a B.1.351 and P.1 mutation hotspot: implications for viral spread and antibody escape
Altered gene expression profiles impair the nervous system development in individuals with 15q13.3 microdeletion
Cardiovascular Disease Risk Prediction Models in Haiti: Implications for Primary Prevention in Low-Middle Income Countries
Non-modifiable factors as moderators of the relationship between physical activity and brain volume: A cross-sectional UK Biobank study
The unexpected dynamics of COVID-19 in Manaus, Brazil: Was herd immunity achieved?
ACE gene variants rise the risk of severe COVID-19 in patients with hypertension, dyslipidemia or diabetes. A pilot study
Ultra Deep Sequencing Reveals the Mutational Landscape of Classical Hodgkin Lymphoma
Exome sequencing of 628,388 individuals identifies common and rare variant associations with clonal hematopoiesis phenotypes
Asia Pacific Sepsis Alliance; Critical Care Resources and Disaster Preparedness Survey 2020 Results (March 2021)
Estimation of the Lifetime Quality-Adjusted Life Years (QALYs) Lost Due to Syphilis acquired in the United States in 2018
A standardized instrument quantifying risk factors associated with bi-directional transmission of SARS-CoV-2 and other zoonotic pathogens: The COVID-19 Human-Animal Interactions Survey (CHAIS)
Genetic variations in EIF2AK3 are associated with neurocognitive impairment in people living with HIV
The association between lymphocyte mitochondrial DNA abundance and Stroke: a combination of multivariable-adjusted survival and mendelian randomization analyses
A cross-sectional study of the association between frequency of telecommuting and unhealthy dietary habits among Japanese workers during the COVID-19 pandemic
Perioperative antimicrobial prophylaxis in patients receiving antibiotic therapy
Hepatic resection versus transarterial chemoembolization for the intermediate stage hepatocellular carcinoma：A cohort study
Deep neural network estimated electrocardiographic-age as a mortality predictor