Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Identification of thresholds on population density for understanding transmission of COVID-19
Cost of tuberculosis-related aeromedical retrievals in the Torres Strait, Australia
Adjuvant Testosterone Therapy in Chronic Heart Failure (ATTIC) - A Randomised Open-Label Trial
Deaths from cardiovascular disease involving anticoagulants: a systematic synthesis of coroners' case reports
The Outcome of Gynecologic Cancer Patients With Covid-19 Infection: A Systematic Review And Meta-Analysis
Zonal Model of Aerosol Persistence in ICUs: Utilization of Time and Space-resolved Sensor Network
Commercialized kit to assess T-cell responses against SARS-CoV-2 S peptides. A pilot study in Health Care Workers.
The Acute Effects of Physical Exercise Breaks on Cognitive Function During Prolonged Sitting: A First Quantitative Evidence
Incidence and Epidemiological study of COVID-19 in Nagpur urban region (India) using Molecular testing
Private Equity Acquisition in Ophthalmology and Optometry: A Time Series Analysis of the Pre-COVID, COVID Pre-Vaccine, and COVID Post-Vaccine Eras
The Impact of COVID-19 Lockdowns on Mental Health Patient Populations: Evidence from Medical Claims Data
Factors associated with COVID-19 vaccine receipt at two integrated healthcare systems in New York City: A Cross sectional study of healthcare workers
Characterization of the Second Wave of the COVID-19 Pandemic in India: A Google Trends Analysis
Prevalence of Occupation Associated with Increased Mobility During COVID-19 Pandemic
Quantifying structural connectivity in brain tumor patients
A mixed methods study of seasonal influenza vaccine hesitancy in adults with chronic respiratory conditions
Regulatory T-cells are central hubs for age-, sex- and severity-associated cellular networks during COVID-19
Decoding natural gait cycle in Parkinson's disease from cortico-subthalamic field potentials
Mono- and bi-allelic effects of coding variants on disease in 176,899 Finns
Financial burden of Chronic Kidney Disease Patients on Maintenance Hemodialysis in Chittagong, Bangladesh
Involvement of the habenula in the pathophysiology of autism spectrum disorder.
Inequalities in COVID-19 inequalities research: who had the capacity to respond?
Cross-sector Decision Landscape in Response to COVID-19: A Qualitative Analysis of North Carolina Decision-Makers
Cohort profile: The Australian Parkinson's Genetics Study (APGS) - pilot (N=1,532)
Pandemic trends in health care use: From the hospital bed to the general practitioner with COVID-19
Economic Benefits of COVID-19 Screening Tests with a Vaccine Rollout