Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Low dose hydroxychloroquine prophylaxis for COVID-19 - a prospective study
Outbreak of SARS-CoV-2 B.1.617.2 (Delta) variant in a Nursing Home 28 weeks after two doses of mRNA anti-Covid-19 vaccines: evidence of a waning immunity
Brain Structure in Acutely Underweight and Partially Weight-Restored Individuals with Anorexia Nervosa - A Coordinated Analysis by the ENIGMA Eating Disorders Working Group
Investigating phenotypes of pulmonary COVID-19 recovery: a longitudinal observational prospective multicenter trial
Salicylic acid and risk of colorectal cancer: a two sample Mendelian randomization study
An approximate Bayesian approach for estimation of the reproduction number under misreported epidemic data
Human behaviour, NPI and mobility reduction effects on COVID-19 transmission in different countries of the world
Thermal Camera detection of High Temperature for mass COVID Screening
Optimizing vaccine allocation for COVID-19 vaccines: critical role of single-dose vaccination.
Genome-wide association study identifies new locus associated with OCD
In (deficit) schizophrenia, a general cognitive decline (G-CoDe) partly mediates the effects of neuro-immune and neuro-oxidative toxicity on the symptomatome and quality of life.
A Patient-Reported Measure of Locomotor Function Derived from the Functional Assessment Questionnaire
Factors Associated with COVID-19 Testing among People who Inject Drugs: Missed Opportunities for Reaching those Most at Risk
Symptom Monitoring based on Digital Data Collection During Inpatient Treatment of Schizophrenia Spectrum Disorders - a Feasibility Study
Quantifying the health benefits of physical activity due to active commuting in a French transition scenario : a health impact assessment of the negaWatt scenario
Phospholipase D3 contributes to Alzheimer's disease risk via disruption of Aβ clearance and microglia response to amyloid plaques
SARS-COV-2 INFECTION IN PRIMARY CARE: A SINGLE-CENTERED, RETROSPECTIVE, OBSERVATIONAL STUDY
Recent and forecast post-COVID trends in hospital activity in England amongst 0 to 24 year olds: analyses using routine hospital administrative data
Categorizing the Status of COVID-19 Outbreaks Around the World
Evaluation of Depression, Anxiety and Sleep Quality in the Brazilian Population During Social Isolation Due to the New Coronavirus (SARS-CoV-2) pandemic: the DEGAS-CoV Study
Optimal symptom combinations to aid COVID-19 case identification: analysis from a community-based, prospective, observational cohort
Yet another lockdown? A large-scale study on people's unwillingness to be confined during the first 5 months of the COVID-19 pandemic in Spain
An observation and restoration model for the COVID-19 incidence curves
IN-HOSPITAL CONTINUATION WITH ANGIOTENSIN RECEPTOR BLOCKERS IS ASSOCIATED WITH A LOWER MORTALITY RATE THAN CONTINUATION WITH ANGIOTENSIN CONVERTING ENZYME INHIBITORS IN COVID-19 PATIENTS A RETROSPECTIVE COHORT STUDY
Placental transcription profiling in 6-23 weeks' gestation reveals differential transcript usage in early development
Novel polygenic risk score links depression-related cortical transcriptomic changes to brain morphology and depressive symptoms in men