Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Large-scale seroepidemiologic surveillance of COVID-19 - Cross-sectional study in Hyogo prefecture of Japan in August, 2021
THE INTESTINAL AND ORAL MICROBIOMES ARE ROBUST PREDICTORS OF COVID-19 SEVERITY THE MAIN PREDICTOR OF COVID-19-RELATED FATALITY
Age and Sex Differences in the Genetics of Cardiomyopathy
A magnetic bead immunoassay to detect human IgG reactive to SARS-CoV-2 Spike S1 RBD produced in Escherichia coli
Genomic monitoring unveils a high prevalence of SARS-CoV 2 Omicron Variant in vaccine breakthrough cases in Bahia, Brazil
Proton pump inhibitors use and risk of preeclampsia
Association of VEGF and KDR polymorphisms with the development of schizophrenia
Assessing the Impact of the Covid-19 Pandemic on US Mortality: A County-Level Analysis
Region-based analysis of rare genomic variants in whole-genome sequencing datasets reveal two novel Alzheimer's disease-associated genes: DTNB and DLG2
Microbiota development in early life mediates association between mode of delivery and vaccine responses
Assessing the Utility of Low Resolution Brain Imaging: Treatment of Infant Hydrocephalus
Multisystem inflammatory syndrome in European White children - study of 274 cases
Dance Interventions for Individuals Post-Stroke - A Scoping Review Protocol
Assessment of Referral System on Maternal Services in Cagayan De Oro City, Philippines
2020 SARS-CoV-2 diversification in the United States: Establishing a pre-vaccination baseline
Reliability and Predictive Validity of a Gait Assessment using Inertial Measurement Units: The Importance of Standardizing Walking Surface and Footwear
Development of a vocal biomarker for fatigue monitoring in people with COVID-19
A new estimation method for COVID-19 time-varying reproduction number using active cases
Genome-wide Analysis Identifies Novel Gallstone-susceptibility Loci Including Genes Regulating Gastrointestinal Motility
Heterogeneity of acetylcholine receptor autoantibody-mediated complement activity in patients with myasthenia gravis.
A Progeroid Syndrome Caused by RAF1 deficiency Underscores the importance of RTK signaling for Human Development
Implicit and explicit motor learning interventions for gait in people after stroke: a process evaluation of a randomized controlled trial
Sufficient strategies for travel quarantine and testing
Ex-vivo mucolytic and anti-inflammatory activity of BromAc in tracheal aspirates from COVID-19
Progress of the Delta variant and erosion of vaccine effectiveness, a warning from Utah
Is my cough a cold or covid? A qualitative study of COVID-19 symptom recognition and attitudes towards testing in the UK