Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Observed and self-reported COVID-19 health protection behaviours on a university campus and the impact of a single simple intervention.
Implementation of COVID-19 Preventive Measures in Primary and Secondary Schools Following Reopening of Schools in Autumn 2020; A Cross-Sectional Study of Parents' and Teachers' Experiences in England
A randomized, double-blind, controlled trial of convalescent plasma in adults with severe COVID-19
CSF and PET biomarkers for noradrenergic dysfunction in neurodegenerative diseases: a systematic review and meta-analysis
Seroprevalence of anti-SARS-CoV-2 antibodies among school and daycare children and personnel: Protocol for a cohort study in Montreal, Canada
Estimating body fat distribution - a driver of cardiometabolic health - from silhouette images
Reduced serum neutralization capacity against SARS-CoV-2 variants in a multiplex ACE2 RBD competition assay
Breast Cancer Survival Prediction using Machine Learning and Gene Expression Profiles
A Multicenter Evaluation of Blood Purification with Seraph 100 Microbind Affinity Blood Filter for the Treatment of Severe COVID-19: A Preliminary Report
RBDAct: Home screening of REM sleep behaviour disorder based on wrist actigraphy in Parkinson's patients
Safety and efficacy of a prehospital initiated protocol of nitrates plus non-invasive ventilation on prehospital and Emergency Department outcomes for acute cardiogenic pulmonary oedema
Early immunologic response to mRNA COVID-19 vaccine in patients receiving biologics and/or immunomodulators.
An integrative analysis of clinical and epigenetic biomarkers of mortality
Estimating the proportion of SARS-CoV-2 infections reported through diagnostic testing
Higher Hospitalization and Mortality Rates Among SARS-CoV-2 infected Persons in Rural America
Performance of plasma amyloid, tau, and astrocyte biomarkers to identify cerebral AD pathophysiology
Adverse events following COVID-19 virus vaccination in Japanese young population: The first cross-sectional study conducted by a questionnaire survey after the first-time-injection
Development and validation of a prognostic model for COVID-19: a population-based cohort study in Iceland
Prediction and predictor elucidation of the onset of metabolic syndrome among young workers using machine learning techniques: A nationwide study in Japan
Interpretation of mendelian randomization using one measure of an exposure that varies over time.
Two original observations concerning bacterial infections in COVID-19 patients hospitalized in intensive care units during the first wave of the epidemic in France
Spatiotemporal analyses illuminate the competitive advantage of a SARS-CoV-2 variant of concern over a variant of interest
Chyawanprash for the prevention of COVID-19 infection among healthcare workers: A Randomized Controlled Trial
A Sex-Specific Genome-Wide Association Study of Depression Phenotypes in UK Biobank
Prospectively validated augmented intelligence for disease-agnostic predictions of clinical success for novel therapeutics
Host-pathogen dynamics in longitudinal clinical specimens from patients with COVID-19