Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Determining the risk of developing symptomatic covid-19 infection after attending hospital for radiological examinations: controlled cohort study
High SARS-CoV-2 attack rates following exposure during five singing events in the Netherlands, September-October 2020
The chronic wound virome: phage diversity and associations with wounds and healing outcomes
Modeling effectiveness of testing strategies to prevent COVID-19 in nursing homes--United States, 2020
Use of portable air cleaners to reduce aerosol transmission on a hospital COVID-19 ward
SARS-CoV-2 infection risk among unvaccinated is negatively associated with community-level vaccination rates
Pharmaceutical Payments to Japanese Board-certified Infectious Disease Specialists: A Four-year Retrospective Analysis of Payments from 92 Pharmaceutical Companies between 2016 and 2019
Predictors of parents intention to vaccinate their children against the COVID-19 in Greece: a cross-sectional study
Genomic epidemiology of COVID-19 in care homes in the East of England
Hair concentrations of Δ-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) in cannabis consumers psychiatric patients
Long-term Durable Humoral Immune Response to Heterologous Antigenic Exposure Post six months by Natural SARS-CoV-2 Infection and Vaccination
Classifying REM Sleep Behavior Disorder through CNNs with Image-Based Representations of EEGs
Unlocking low- and middle-income countries to detect SARS-CoV-2
Preliminary study on the pathogenesis of anal fistula
Fetal brain growth and infant autistic traits
Polygenic risk prediction and SNCA haplotype analysis in a Latino Parkinson's disease cohort
Genome-wide association analysis identifies ancestry-specific genetic variation associated with medication response in the Study to Understand the Genetics of the Acute Response to Metformin and Glipizide in Humans (SUGAR-MGH)
Urban greenspace and anxiety symptoms during the COVID-19 pandemic: A 20-month follow up of 19,848 participants in England
Clinical and experimental factors that affect the reported performance characteristics of rapid testing for SARS-CoV-2
Folate (MTHFR C677T and MTRR A66G) gene polymorphisms and risk of prostate cancer: a case-control study with an updated meta-analysis
Serum neurofilament light as a biomarker for prognosis in patients with newly diagnosed Parkinson disease
SPEEDS: A Portable Serological Testing Platform for Rapid Electrochemical Detection of SARS-CoV-2 Antibodies
Oral injury in Kendo players: a cross-sectional survey
Genotoxicity evaluation of levonorgestrel-releasing intrauterine system (LNG-IUS) in exfoliated cervical cells using the micronucleus (MN) test
Transition in Learning Approach for Undergraduate Medical Students of Bangladesh in Covid 19 Pandemic: A Situation Analysis
A Differential DNA Methylome Signature of Pulmonary Immune Cells from Individuals Converting to Latent Tuberculosis Infection