Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: A need of COVID19 vaccination for children aged <12 years: Comparative evidence from the clinical characteristics in patients during a recent Delta surge (B.1.617.2)
Immunochromatographic SARS-CoV-2 IgG antibody assay: a cross-sectional study conducted at Wakayama Medical University in Japan
What factors influence concussion risk in American football? Bayesian analysis of 8 seasons of National Football League data.
The Population Attributable Fraction (PAF) of cases due to gatherings and groups with relevance to COVID-19 mitigation strategies
Evaluation of cold pain tolerance in patients with fibromyalgia and opioid use by survival analysis
Anomalous Epithelial Variations and Ectopic Inflammatory Response in Chronic Obstructive Pulmonary Disease
Results from Canton Grisons of Switzerland Suggest Repetitive Testing Reduces SARS-CoV-2 Incidence (February-March 2021)
Persistent neuropsychiatric symptoms after COVID-19: a systematic review and meta-analysis.
Sexual violence in older adults: a Belgian prevalence study
Workplace measures against COVID-19 during the winter third wave in Japan: company size-based differences
Treatment of Recurrent Glioblastoma by Chronic Convection-Enhanced Delivery of Topotecan
Neoantigen DNA vaccines are safe, feasible, and capable of inducing neoantigen-specific immune responses in patients with triple negative breast cancer
Determinants of COVID-19 vaccine acceptability in Mozambique: the role of institutional trust
Synthesis of High-Resolution Research-Quality MRI Data from Clinical MRI Data in Patients with COVID-19
Evolution of COVID-19 Health Disparities in Arizona
Prediction of SARS-CoV-2 Omicron Variant Immunogenicity, Immune Escape and Pathogenicity, through Analysis of Spike Protein-specific Core Unique Peptides
A two-stage super learner for healthcare expenditures
Characterization of the significant decline in humoral immune response six months post-SARS-CoV-2 mRNA vaccination: A systematic review
Mapping dopaminergic projections in the human brain with resting-state fMRI
A decade of Acceptability Research with Adolescents in Africa: Systematic review and evidence map
Prevalence, Patterns and Predictors of physical activity in Urban Population of Bhubaneswar smart city, India
Social disparities in unplanned 30-day readmission rates after hospital discharge in patients with chronic health conditions: A retrospective cohort study using patient level hospital administrative data linked to the population census in Switzerland
Genomic Surveillance in Japan of AY.29--A New Sub-lineage of SARS-CoV-2 Delta Variant with C5239T and T5514C Mutations
Applicability of Neighborhood and Building Scale Wastewater-Based Genomic Epidemiology to Track the SARS-CoV-2 Pandemic and other Pathogens.
Efficacy of SARS-CoV-2 wastewater surveillance for detection of COVID-19 at a residential private college
Quantifying aerosol and droplet generation during upper and lower gastrointestinal endoscopy: whole procedure and event-based analysis