Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Contracting COVID-19: A Longitudinal Investigation of the Impact of Beliefs and Knowledge
COVID-19 mortality in the United States: It's been two Americas from the start
Rehabilitation clinicians' perspectives of reactive balance training.
Early transfusion of convalescent plasma improves the clinical outcome in severe SARS-CoV2 infection
Modeling the potential impact of indirect transmission on COVID-19 epidemic
Gastrointestinal carriage of Klebsiella pneumoniae in a general adult population in Norway: a cross-sectional study of risk factors and bacterial genomic diversity
Pooling-in-a-pod: A Strategy for COVID-19 Testing to Facilitate Safe Return to School
Potency and Breadth of Neutralization after 3 doses of mRNA vaccines in COVID-19 Convalescent and Naive individuals
Adherence to prophylaxis and bleeding outcome: a multicenter Nigerian study
Adaptation of HL7 FHIR for the exchange of patients' gene expression profiles
Early intervention is the key to success in COVID-19 control
Safety of COVID-19 vaccines, their components or their platforms for pregnant women: A rapid review
Unmasking the Current Scenario of Indian Biomedical Devices Industry: Ventilators being the Heart of the Discussion
Trans Cohorts Metabolomic Modulation Following Long-Term Successful Therapy in HIV-Infection
Should the governance of individual treatment attempts (''Individuelle Heilversuche	'') include praxis evaluation? Results from qualitative stakeholder interviews.
Prediction of COVID-19 Pandemic of Top Ten Countries in the World Establishing a Hybrid AARNN LTM Model
A large outbreak of COVID-19 in a UK prison, October 2020 to April 2021
SEVERE COVID-19 IS MARKED BY DYSREGULATED SERUM LEVELS OF CARBOXYPEPTIDASE A3 AND SEROTONIN
Modelling the Spreading of the SARS-CoV-2 in Presence of the Lockdown and Quarantine Measures by a "Kinetic-Type Reactions" Approach
Maximum likelihood perimetric progression analysis: Using raw (trial-by-trial) response data to estimate progression more robustly
Left Hemisphere Bias of NIH Stroke Scale is Most Severe for Middle Cerebral Artery Strokes
The Emergence of SARS-CoV-2 Variant Lambda (C.37) in South America
Diffusion Kurtosis Imaging of neonatal Spinal Cord in clinical routine
Prevalence of different sleep problems in patients with respiratory diseases presented to a respiratory outdoor clinic: A Descriptive analysis
Retinal fundus photographs capture hemoglobin loss after blood donation
Pre-existing health conditions and severe COVID-19 infection: Analysis of commercial health insurance data from 690,000 infected patients