Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Sensitivity of rapid antigen testing and RT-PCR performed on nasopharyngeal swabs versus saliva samples in COVID-19 hospitalized patients: results of a prospective comparative trial (RESTART).
Title: Length of hospital stay and risk of intensive care admission and in-hospital death among COVID-19 patients in Norway: a register-based cohort study comparing patients fully vaccinated with an mRNA vaccine to unvaccinated patients
A multi-ethnic polygenic risk score is associated with hypertension prevalence and progression throughout adulthood
COVID-19 wastewater based epidemiology: long-term monitoring of 10 WWTP in France reveals the importance of the sampling context
A collaborative maternity dashboard (CoMaND) for the COVID-19 pandemic: a protocol for timely, adaptive monitoring of perinatal outcomes in Melbourne, Australia
Looking for crumbs in the obesity forest: anti-obesity interventions in the Mexican population. History, and systematic review with Meta-Analysis
Safety and efficacy of Pulmonary physiotherapy in hospitalized patients with severe COVID-19 pneumonia (PPTCOVID Study): A prospective, randomised, single-blind, controlled trial
Unified real-time environmental-epidemiological data for multiscale modeling of the COVID-19 pandemic
Distal mediator-enriched, placental transcriptome-wide analyses illustrate the Developmental Origins of Health and Disease
Sex-specific survival bias and interaction modeling in coronary artery disease risk prediction
Artificial Intelligence in laryngeal endoscopy: Systematic Review and Meta-Analysis
COVID19-related and all-cause mortality among middle-aged and older adults across the first epidemic wave of SARS-COV-2 infection in the region of Tarragona, Spain: results from the COVID19 TARRACO Cohort Study, March-June 2020.
Changing characteristics over time of individuals receiving COVID-19 vaccines in Denmark: A population-based descriptive study of vaccine uptake
Disease and Social Media in Post-Natural Disaster Recovery Philippines
Cancer diagnosis in primary care after second pandemic year in Catalonia: a time-series analysis of primary care electronic health records covering about five million people
A Single Drop of Fingerstick Blood for Quantitative Antibody Response Evaluation After SARS-CoV-2 Vaccination
A two-phase stochastic dynamic model for COVID-19 mid-term policy recommendations in Greece: a pathway towards mass vaccination
Detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in a fourplex real-time quantitative reverse transcription-PCR assays.
Long-term air pollution exposure and diabetes risk in the elderly population.
Effects of Transcranial Direct Current Stimulation in Children and Young People with Psychiatric Disorders: A Systematic Review
Validation of the 4C Deterioration Model for COVID-19 in a UK teaching hospital during Wave 2
Deep Optical Blood Analysis: COVID-19 Detection as a Case Study in Next Generation Blood Screening
Acute exercise induces natural killer cell mobilization but not infiltration into prostate cancer tissue in humans
Reduced dementia incidence following varicella zoster vaccination in Wales 2013--2020
COVID Oximetry @home: evaluation of patient outcomes
Improving on estimates of the potential relative harm to health from using modern ENDS (vaping) compared to tobacco smoking