Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Measurement of subjective and objective indices after progressive resistance training compared with aerobic training in Patients with Haemophilia: a study protocol
Rehabilitation needs and mortality associated with the Covid-19 pandemic: a population-based study of all hospitalised and home-healthcare individuals in a Swedish healthcare region
Waning antibody levels after vaccination with mRNA BNT162b2 and inactivated CoronaVac COVID-19 vaccines in Hong Kong blood donors
DMARD disruption, disease flare, and prolonged symptom duration after acute COVID-19 among participants with rheumatic disease: A prospective study
Hospitalizations for emergency-sensitive conditions in Germany during the Covid-19 pandemic - Insights from the German-wide Helios hospital network
Labor market position and depression during the COVID-19 epidemic among young adults (18 to 30 years): a nationally representative study in France.
Environmental Exposure to Volatile Organic Compounds is Associated with Endothelial Injury
Efficacy of high-pressure balloon for the treatment of arteriovenous fistula stenosis: a meta-analysis
A causal association between schizophrenia and bipolar disorder on rheumatoid arthritis: A two-sample Mendelian randomization study
Leveraging infectious disease models to interpret randomized controlled trials: controlling enteric pathogen transmission through water, sanitation, and hygiene interventions
Combined Metabolic Activators Improves Cognitive Functions in Alzheimer's Disease
Limited impact of Delta variants mutations in the effectiveness of neutralization conferred by natural infection or COVID-19 vaccines in a Latino population
Emergence of SARS-CoV-2 Alpha (B.1.1.7) variant, infection rates, antibody seroconversion and seroprevalence rates in secondary school students and staff: active prospective surveillance, December 2020 to March 2021, England
Increased interhemispheric asymmetry of cerebral blood flow in comatose adult patients on extracorporeal membrane oxygenation
Safety, Immunogenicity, and Efficacy of a COVID-19 Vaccine (NVX-CoV2373) Co-administered With Seasonal Influenza Vaccines
Mask adherence and rate of COVID-19 across the United States
Vaccines provide disproportional protection to the increased hospitalisation risk posed by the Delta variant of SARS-CoV2: a meta-analysis
Predicting the onset of freezing of gait in de novo Parkinson's disease
Food Security Impacts of the COVID-19 Pandemic: Following a Cohort of Vermonters During the First Year
Estimated transmissibility and impact of SARS-CoV-2 lineage B.1.1.7 in England
Detecting respiratory chain deficiency in osteoblasts of older patients
The antibody response to SARS-CoV-2 increases over 5 months in patients with anosmia/dysgeusia
Pre-Exposure Prophylaxis with Various Doses of Hdroxychloroquine among high-risk COVID 19 Healthcare Personnel: CHEER randomized controlled trial
Tracking Cryptic SARS-CoV-2 Lineages Detected in NYC Wastewater
The resurgence risk of COVID-19 in the presence of immunity waning and ADE effect: a mathematical modelling study
Combining community wastewater genomic surveillance with state clinical surveillance: A framework for SARS-CoV-2 public health practice