Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: DRUL for School: Opening Pre-K with safe, simple, sensitive saliva testing for SARS-CoV-2
A systematic review of the impact of the Alpha and Gamma variants of concern on hospitalization and symptomatic rate of SARS-CoV-2
Genome-wide significant risk loci for mood disorders in the Old Order Amish founder population
Health Provider and Sexual and Gender Minority Service User Perspectives on Provision of Mental Health Services During the Early Phase of the COVID-19 Pandemic in British Columbia, Canada
Host and microbiome features of secondary infections in lethal covid-19
COVID-19 Prevention Facilitators and Barriers among Specific Ethnic Minority Communities in Rural Ohio
Respiratory and Cardiovascular Health Effects of E-Cigarette Substitution: Protocol for Two Living Systematic Reviews
Clinician and patient experience of neurology telephone consultations during the COVID-19 pandemic
Low risk of SARS-CoV-2 transmission via fomite, even in cold-chain
Germline sequencing of DNA-damage-repair genes in two hereditary prostate cancer cohorts reveals rare risk-associated variants
Identification and prediction of ALS subgroups using machine learning
Predictors of longitudinal cognitive ageing from age 70 to 82 including APOE e4 status, early-life and lifestyle factors
Rescaling and Small Area Estimation of Health Survey Data as applied to Smoking Rates in Allegheny County, Pennsylvania
Interventions to prevent or delay the onset of type 2 diabetes in women with prior gestational diabetes mellitus: protocol for a living systematic review and prospective meta-analysis
Sword of Damocles or choosing well. Population genetics sheds light into the future of the COVID-19 pandemic and SARS-CoV-2 new mutant strains.
Lockdown benefit varies among countries and sub-national units: a reanalysis of the data by Bendavid et al. (2021)
Detecting cognitive decline using speech only: The ADReSSo Challenge
Relationship Between Patient Sex and Serum Tumor Necrosis Factor Antagonist Drug and Anti-Drug Antibody Concentrations in Inflammatory Bowel Disease; A Nationwide Cohort Study
Impact of Systemic Arterial Pressure, Collateral Vascular Resistance and Degree of Carotid Stenosis on Cerebral Blood Flow, Reserve Blood Flow, Critical Carotid Stenosis, Cerebral Ischemia and Carotid Hemodynamics
Association between social media use and self-reported symptoms of depression in US adults
The Simple One-step stool processing method for detection of Pulmonary tuberculosis: a study protocol to assess the robustness, stool storage conditions and sampling strategy for global implementation and scale-up
Acute Metabolic Emergencies in Diabetes and COVID-19: a systematic review and meta-analysis of case reports
An artificial intelligence system for predicting mortality in COVID-19 patients using chest X-rays: a retrospective study
A phase 2 study of the inhaled pan-JAK inhibitor TD-0903 in severe COVID-19: Part 1
Impact of a new SARS-CoV-2 variant on the population: A mathematical modeling approach
Internal Neurolysis for the Treatment of Trigeminal Neuralgia: Systematic Review