Instruct: Identify the main category of medRxiv papers based on their titles.
Query: High failure rate of ChAdOx1-nCoV19 immunization against asymptomatic infection in healthcare workers during a Delta variant surge: a case for continued use of masks post-vaccination
Inpatient COVID-19 Mortality Rates: What are the predictors?
Association of chronic kidney disease, ethnicity and socioeconomic status with COVID-19 hospitalisation and mortality: a UK Biobank study
Food Insecurity in Households of People with Autism Spectrum Disorder during the COVID-19 Pandemic
Genomic Surveillance in Japan of AY.29--A New Sub-lineage of SARS-CoV-2 Delta Variant with C5239T and T5514C Mutations
Sleep in the Intensive Care Unit through the Lens of Breathing and Heart Rate Variability: A Cross-Sectional Study
USING PHYLOGENETICS TO ACCURATELY INFER HIV-1 TRANSMISSION DIRECTION
A Software Solution for Clinical Protocol Management
A Cloth Facemask Causes No Major Respiratory or Cardiovascular Perturbations during Moderate to Heavy Exercise
Epidemiologic Assessment of Pediatric Inflammatory Bowel Disease Presentation in NYC During COVID-19
Long-term health-related quality of life in non-hospitalised COVID-19 cases with confirmed SARS-CoV-2 infection in England: Longitudinal analysis and cross-sectional comparison with controls
Pediatric critical COVID-19 and mortality in a multinational cohort
Assessing Immunity by Quantitative Measurement of SARS-CoV-2 IgG Antibodies in Fingerstick Samples
Dynamics of gut microbiome - mediated bile acid metabolism in progression to islet autoimmunity
Early Epidemiological Evidence of Public Health Value of WA Notify, a Smartphone-based Exposure Notification Tool: Modeling COVID-19 Cases Averted in Washington State
Mathematical assessment of the roles of vaccination and non-pharmaceutical interventions on COVID-19 dynamics: a multigroup modeling approach
Disease and Social Media in Post-Natural Disaster Recovery Philippines
Rapid incidence estimation from SARS-CoV-2 genomes reveals decreased case detection in Europe during summer 2020
Analysis of the Factors Affecting the Adoption and Compliance of the NHS COVID-19 Mobile Application
Impact of long-term care facility size on preparedness and adherence to infection prevention and control guidance for the mitigation of COVID-19
Outbreak of P.3 (Theta) SARS-CoV-2 emerging variant of concern among service workers in Louisiana
Huge Excess Mortality due to the delta strain of COVID-19 in Japan in August, 2021
Optimal design for phase 2 studies of SARS-CoV-2 antiviral drugs
Stability of the stroke code during the COVID-19 pandemic in the region of Madrid: a retrospective cohort study
Trends in Technology Usage for Parkinson's Disease Assessment: A Systematic Review
Aerosol Persistence in ICUs: Utilization of Low-cost Sensor Network