Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Feasibility and diagnostic accuracy of saliva-based SARS-CoV-2 screening in educational settings and children aged < 12 years
Performance of vaccination with CoronaVac in a cohort of healthcare workers (HCW) - preliminary report
COVID-19 Incidence and Hospitalization Rates are Inversely Related to Vaccination Coverage Among the 112 Most Populous Counties in the United States
Impact of social support, loneliness & social isolation on sustained physical activity during the COVID-19 pandemic
Is there a higher risk of exposure to Coxiella burnetii for pre-clinical veterinary students?
Characterization of heart rate changes associated with autonomic dysreflexia during penile vibrostimulation and urodynamics
Potential gains in health-adjusted life expectancy by reducing burden of non-communicable diseases: a population-based study
Inflammation and nitro-oxidative stress in current suicidal attempts and current suicidal ideation: a systematic review and meta-analysis.
Age and Sex Differences in the Genetics of Cardiomyopathy
No proof for retinal amyloid after oral curcumin in amyloid confirmed AD cases
Longitudinal SARS-CoV-2 seroprevalence in a rural and urban community household cohort in South Africa, during the first and second waves July 2020-March 2021
Occupation as a risk factor for progression of chronic kidney disease: retrospective cohort study
High incidence of pulmonary thromboembolism in hospitalized SARS-CoV-2 infected patients
Effectiveness of Community-Based Rehabilitation (CBR) centres for improving physical fitness for community-dwelling older adults: a systematic review protocol
Multi-faceted Semantic Clustering With Text-derived Phenotypes
Impact of the COVID-19 pandemic on the mental health and wellbeing of parents with young children: a qualitative interview study
Using geospatial models to map zero-dose children: factors associated with zero-dose vaccination status before and after a mass measles and rubella vaccination campaign
Vital signs as a source of racial bias
An observational study of the association between COVID-19 vaccination rates and entry into the "Million Dollar Vax" competition
Price elasticity of demand for new and recurring opioid prescriptions
Accuracy verification of low-cost CO2 concentration measuring devices for general use as a countermeasure against COVID-19
Modelling Quarantine Effects on SARS-CoV-2 Epidemiological Dynamics in Chilean Communes and their Relationship with the Social Priority Index
Estimating event ban effects on COVID-19 outbreak in Japan
Latest Generation Colonoscope Yields Improvements in Cecal Insertion Time and Adenoma Detection Rate: A Retrospective Comparison of Two Colonoscope Brands
Development of reference equations for the six-minute walk distance of school-aged Nigerian children
A Method to improve the Reliability of Saliency Scores applied to Graph Neural Network Models in Patient Populations