Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: The COvid-19 Pandemic and Exercise (COPE) Trial: A multi-group randomized controlled trial comparing effects of an app-based, at-home exercise program to waitlist control on depressive symptoms
Muscle Strength Explains the Protective Effect of Physical Activity against COVID-19 Hospitalization among Adults aged 50 Years and Older
Development of an effective immune response in adults with Down Syndrome after SARS-CoV-2 vaccination
A combination of variant genotypes at two loci in the APOL1 gene is associated with adverse outcomes in SARS-CoV-2: a UK Biobank study.
Wastewater SARS-CoV-2 Concentration and Loading Variability from Grab and 24-Hour Composite Samples
A Rapid and Low-Cost protocol for the detection of B.1.1.7 lineage of SARS-CoV-2 by using SYBR Green-Based RT-qPCR
Modeling Clinical Trial Attrition Using Machine Intelligence: A driver analytics case study using 1,325 trials representing one million patients
The influence of genetic predisposition and physical activity on risk of Gestational Diabetes Mellitus in the nuMoM2b cohort
A machine learning-based holistic approach for diagnoses within the Alzheimer's disease spectrum
Hereditary haemochromatosis beyond liver cancer: increased risk of prostate cancer during an 11-year follow-up
Newborn antibodies to SARS-CoV-2 detected in cord blood after maternal vaccination
Translation and validation of the Cultural Competence Self-assessment Checklist of Central Vancouver Island Multicultural Society for Health Professionals
Antigenic minimalism of SARS-CoV-2 is linked to surges in COVID-19 community transmission and vaccine breakthrough infections
Correlation between Proinflammatory cytokines and severity of COVID-19 within Palestinian Population
Comparing the Evidential Strength for Psychotropic Drugs: A Bayesian Meta-Analysis
Formation of oxidized gases and secondary organic aerosol from a commercial oxidant-generating electronic air cleaner
Single cell sequencing reveals expanded cytotoxic CD4+ T cells and two states of peripheral helper T cells in synovial fluid of ACPA+ RA patients
Safety and feasibility of research lumbar puncture in Huntington's disease: the HDClarity cohort and bioresource
Cost-effectiveness of vitamin D3 supplementation in older adults with vitamin D deficiency in Ireland
Observed and self-reported COVID-19 health protection behaviours on a university campus and the impact of a single simple intervention.
REACT-1 round 9 final report: Continued but slowing decline of prevalence of SARS-CoV-2 during national lockdown in England in February 2021
Youth susceptibility to tobacco use: Is it general or specific?
Temporal changes in the risk of superspreading events of coronavirus disease 2019
The 1st year of the COVID-19 epidemic in Estonia: an interrupted time series of population based nationwide cross-sectional studies.
Hospital saturation and risk of death without receiving mechanical ventilation in hospitalized COVID-19 patients: a city-wide analysis
Spatial-temporal relationship between population mobility and COVID-19 outbreaks in South Carolina: A time series forecasting analysis