Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Physical activity and health: Findings from Finnish monozygotic twin pairs discordant for physical activity
Successful reboot of high-performance sporting activities by Japanese national women's handball team in Tokyo, 2020 during the COVID-19 pandemic: An initiative by Japan Sports-Cyber Physical System (JS-CPS) of Sports Research Innovation Project (SRIP)
Ultrasensitive RNA biosensors for SARS-CoV-2 detection in a simple color and luminescence assay
Neutralizing antibodies to SARS-CoV-2 Omicron variant after 3rd mRNA vaccination in health care workers and elderly subjects and response to a single dose in previously infected adults
Estimating dengue transmission intensity from serological data: a comparative analysis using mixture and catalytic models.
Lower infant mortality and access to contraception reduce fertility in low- and middle-income nations
Updated Model for the USA Summer 2021 CoVID-19 Resurgence
Longitudinal and comparative analysis of humoral response upon COVID-19 vaccination
The Impact of COVID-19 Vaccination on California's Return to Normalcy
Digging deeper into GWAS signal using GRIN implicates additional genes contributing to suicidal behavior
Variant landscape of the RYR1 gene based on whole genome sequencing of the Singaporean population
Primary care during the COVID-19 pandemic - observations and challenges identified through a survey and interviews with community paediatricians: the calm before the storm
Predicted long-term impact of COVID-19 pandemic-related care delays on cancer incidence and mortality in Canada
Redesigning SARS-CoV-2 clinical RT-qPCR assays for wastewater RT-ddPCR
"My friends would believe my word": appropriateness and acceptability of respondent-driven sampling in recruiting young tertiary student men who have sex with men for HIV/STI research in Nairobi, Kenya
Increasing concentration of COVID-19 by socioeconomic determinants and geography in Toronto, Canada: an observational study
Associations between antipsychotic use, substance use and relapse risks in patients with schizophrenia - real-world evidence from two national cohorts
BNT162b2 COVID-19 mRNA vaccine elicits a rapid and synchronized antibody response in blood and milk of breastfeeding women
Brain Networks Associated With COVID-19 Risk: Data From 3,662 Participants
Personalised Cardiac Rehabilitation Outreach Service Reduces Mortality and Hospitalisations in Heart Failure with Reduced Ejection Fraction
A Multivariate Forecasting Model for the COVID-19 Hospital Census Based on Local Infection Incidence
Demographic and socioeconomic factors predict maternal postpartum rehospitalization: a retrospective nuMoM2b dataset study
Using numerical modelling and simulation to assess the ethical burden in clinical trials and how it relates to the proportion of responders in a trial sample
Electrocardiography-Based Prediction of Sudden Cardiac Death in Heart Failure Patients: Application of Artificial Intelligence
Development and validation of a multiple-choice question-based delirium care knowledge quiz for critical care nurses
Estimating area-level variation in SARS-CoV-2 infection fatality ratios