Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Professional practice for COVID-19 risk reduction among health care workers : a Cross-Sectional Study with Matched Case-Control Comparison
The Balancing Role of Distribution Speed against Varying Efficacy Levels of COVID-19 Vaccines under Variants
Time Windows Voting Classifier for COVID-19 Mortality Prediction
Associations of Loneliness and Social Isolation with Healthspan and Lifespan in the US Health and Retirement Study
Ecological Analysis of the Temporal Trends in the Association of Social Vulnerability and Race/Ethnicity with County-Level COVID-19 Incidence and Outcomes in the United States
A Pilot Randomized Controlled Trial of de novo Belatacept-Based Immunosuppression in Lung Transplantation
IRE1α-XBP1 Activation Elicited by Viral Singled Stranded RNA via TLR8 May Modulate Lung Cytokine Induction in SARS-CoV-2 Pneumonia
Mitochondria-targeted antioxidant supplementation augments acute exercise-induced increases in muscle PGC1α mRNA and improves training-induced increases in peak power independent of mitochondrial content and function in untrained middle-aged men
Machine Learning Prediction of Progression in FEV1 in the COPDGene Study
Estimating COVID-19-induced Excess Mortality in Lombardy
A two-stage super learner for healthcare expenditures
Reduced COVID-19 Hospitalizations among New York City Residents Following Age-Based SARS-CoV-2 Vaccine Eligibility: Evidence from a Regression Discontinuity Design
Prevalence of laboratory-related musculoskeletal disorders among biomedical scientists
Excess mortality analysis for Germany for all three COVID-19 waves in 2020 - 2021
Trajectories of child emotional and behavioural difficulties before and during the COVID-19 pandemic in a longitudinal UK cohort
Point of Care Testing using rapid automated Antigen Testing for SARS-COV-2 in Care Homes; an exploratory safety, usability and diagnostic agreement evaluation
Decoding mitochondrial genes in pediatric AML and development of a novel prognostic mitochondrial gene signature
Internet and mental health during the COVID-19 pandemic: Evidence from the UK
Gestational diabetes mellitus in women born small or premature: Systematic review and meta-analysis
Oral Vitamin D supplementation induces transcriptomic changes in rectal mucosa that are consistent with anti-tumour effects.
Transmission of SARS-CoV-2 in Norwegian schools: A population-wide register-based cohort study on characteristics of the index case and secondary attack rates
COVID-19 Susceptibility and Severity Risks in a Survey of Over 500,000 Individuals
Machine learning for prediction of immunotherapy efficacy in non- small cell lung cancer from simple clinical and biological data
A study of the clearness rate of fetal Sylvian fissure shown on different sections by prenatal ultrasound
Impacts of vaccination and Severe Acute Respiratory Syndrome Coronavirus 2 variants Alpha and Delta on Coronavirus Disease 2019 transmission dynamics in the 15 most populous metropolitan statistical areas in the United States
PRICE COVID19 Data Report December 2021 Pakistan Registry of Intensive Care