Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: The heart of an endurance athlete: impact of and recovery after an ultra-endurance event.
Association between physical exercise interventions and functional capacity in individuals with type 2 diabetes: a systematic review and meta-analysis of controlled trials
Emergence of porcine delta-coronavirus pathogenic infections among children in Haiti through independent zoonoses and convergent evolution
An epidemiological and intervention assessment of the malaria epidemic in Bolivar, Venezuela: a modelling study
Self-Reported Stress and Questionnaires in People With Autism Spectrum Disorder: a Systematic Review
Elapsed time since BNT162b2 vaccine and risk of SARS-CoV-2 infection in a large cohort
Impact of COVID-19 pandemic on Black, Asian and Minority Ethnic (BAME) communities: a qualitative study on the perspectives of BAME community leaders
Sample Size Calculations for Variant Surveillance in the Presence of Biological and Systematic Biases
Longitudinal Changes of Cardiac and Aortic Imaging Phenotypes Following COVID-19 in the UK Biobank Cohort
Final sizes and durations of new COVID-19 pandemic waves in Ukraine and around the world predicted by generalized SIR model
ISARIC COVID-19 Clinical Data Report: 15 December 2021
Domestic violence, mental health, and repeat self-harm in Sri Lanka
Population Pharmacokinetics of Oxcarbazepine: A Systematic Review
Elevated blood glucose levels as a primary risk factor for the severity of COVID-19
Breakthrough SARS-CoV-2 infections in MS patients on disease modifying therapies
Lack of antibodies against seasonal coronavirus OC43 nucleocapsid protein identifies patients at risk of critical COVID-19
Physician Perceptions of Surveillance: Wearables, Apps, and Bots for COVID-19
40Hz sensory stimulation induces gamma entrainment and affects brain structure, sleep and cognition in patients with Alzheimer's dementia
Effect of asymptomatic transmission and emergence time on multi-strain viral disease severity
Efficacy and Safety of Experimental Chimeric Antigen Receptor (CAR) T-cells versus Axicabtagene ciloleucel (Yescarta) for the Treatment of Relapsed/Refractory Large B-Cell Lymphoma (LBCL): Matching Adjusted Indirect Comparisons (MAICs) and Systematic Review.
Left Hemisphere Bias of NIH Stroke Scale is Most Severe for Middle Cerebral Artery Strokes
Seroprevalence of SARS-CoV-2 antibodies in social housing areas in Denmark
Consistency of performance of adverse outcome prediction models for hospitalized COVID-19 patients
The Effects of Education on Cognition in Older Age: Evidence from Genotyped Siblings
High-frequency screening combined with diagnostic testing for control of SARS-CoV-2 in high-density settings: an economic evaluation of resources allocation for public health benefit
Interrogating structural inequalities in COVID-19 Mortality in England and Wales