Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Comparative and Integrated Analysis of Plasma Extracellular Vesicles Isolations Methods in Healthy Volunteers and Patients Following Myocardial Infarction
A Reproducible Protocol to Assess Arrhythmia Vulnerability in Silico: Pacing at the End of the Effective Refractory Period
Increased transmissibility of the B.1.1.7 SARS-CoV-2 variant: Evidence from contact tracing data in Oslo, January to February 2021
Evaluation of serum antibodies against SARS-CoV-2 in healthcare workers who participated in the operation of charter flights for the evacuation of Japanese residents from Hubei Province
Adverse events of special interest for COVID-19 vaccines - background incidences vary by sex, age and time period and are affected by the pandemic
The online delivery of exercise oncology classes supported with health coaching: A pilot randomized controlled trial
Altered gene expression profiles impair the nervous system development in individuals with 15q13.3 microdeletion
Rapid and sustained decline in CXCL-10 (IP-10) annotates clinical outcomes following TNF-α antagonist therapy in hospitalized patients with severe and critical COVID-19 respiratory failure
The impact of COVID-19 on children with oesophageal atresia and/or tracheo-oesophageal fistula (OA/TOF)
A compartmental Mathematical model of COVID-19 intervention scenarios for Mumbai
Cannabis Use and Sleep Quality in Daily Life: a Daily Diary Study of Adults Starting Cannabis for Health Concerns
A 1 to 1000 SARS-CoV-2 reinfection proportion in members of a large healthcare provider in Israel: a preliminary report
Sarcopenic obesity and the risk of hospitalisation or death from COVID-19: findings from UK Biobank
Intracranial EEG biomarkers for seizure lateralization in rapidly-bisynchronous epilepsy after laser corpus callosotomy.
Excess mortality analysis for Germany for all three COVID-19 waves in 2020 - 2021
Variation in influenza vaccine assessment, receipt, and refusal by the concentration of Medicare Advantage enrollees in U.S. nursing homes
Using excess deaths and testing statistics to improve estimates of COVID-19 mortalities
Disentangling network topology and pathogen spread
A within-host model of SARS-CoV-2 infection
Exploration of interethnic variation in the ibuprofen metabolizing enzyme CYP2C9: a genetic-based cautionary guide for treatment of COVID-19 symptoms
The HR Challenges: Building Workplace Resilience in the Healthcare Industry During the COVID-19 Pandemic - A Systematic Review
A Logistic Formula in Biology and Its Application to Deaths by the Third Wave of COVID-19 in Japan
Analysis of humoral immunity against emerging SARS-CoV-2 variants: a population-based prevalence study in Yokohama, Japan
Longitudinal change in cognition in older adults in Uganda: a prospective population study
Serum but not mucosal antibody responses are predicted by pre-existing SARS-CoV-2 spike cross-reactive CD4+ T cells following BNT162b2 vaccination in the elderly
Influence of the hospital upon the outcomes of gastrointestinal fistulas: results of a multi-continent, multi-national, multi-center cohort