Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Assessment of indoor biological air quality at a mass gathering event in an unimproved exhibition facility during the COVID-19 pandemic using a novel air sampling technology.
Analysis of immunization time, amplitude, and adverse events of seven different vaccines against SARS-CoV-2 across four different countries.
Trends in medical and surgical admission length of stay by race/ethnicity and socioeconomic status: a time series analysis
Altered reward network responses to social touch in major depression
SynTL: A synthetic-data-based transfer learning approach for multi-center risk prediction
Neural adaptation of cingulate and insular activity during delayed fear extinction: A replicable pattern across assessment sites and repeated measurements
Costs and predictors of early readmissions in patients with Infective Endocarditis. Utilizing the Nationwide Readmission Database.
Potential Association of Mitochondrial Haplogroups and A8860G Mutation with Breast Cancer Risk
Multi-omics analysis reveals the impact of microbiota on host metabolism in hepatic steatosis
Changes in live births, preterm birth, low birth weight, and cesarean deliveries in the United States during the SARS-CoV-2 pandemic
Utilization of a SARS-CoV-2 Variant Assay for the Rapid Differentiation of Omicron and Delta
Understanding the role of mask-wearing during COVID-19 on the island of Ireland
Genetic liability for substance use associated with medical comorbidities in electronic health records of African- and European-ancestry individuals
Evaluation of a city-wide school-located influenza vaccination program in Oakland, California with respect to race and ethnicity: a matched cohort study
Lipid peroxidation induced ApoE receptor-ligand disruption as a unifying hypothesis underlying sporadic Alzheimer's disease in humans
Association between stroke and psychosis across four nationally representative psychiatric epidemiological studies
Prostate cancer risk stratification improved across multiple ancestries with new polygenic hazard score
Prevalence and risk factors for in-school transmission of SARS-CoV-2 in Massachusetts K-12 public schools, 2020-2021
Two years later - changes in abdominal organs: First observations from the UK Biobank longitudinal imaging study
Development of a digitally-obtainable 10-year all-cause mortality risk score based on data from 497,712 UK Biobank participants
Estimating COVID-19 Cases on University Campuses Prior To Semester
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
Effect of commuting on the risk of COVID-19 and COVID-19-induced anxiety
Trends in the conduct and reporting of clinical prediction model development and validation: a systematic review
Machine-Learning Powered Optoacoustic Sensor for Diabetes Progression
Choosing questions before methods in dementia research with competing events and causal goals