Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Direct Comparison of SARS-CoV-2 Nasal RT- PCR and Rapid Antigen Test (BinaxNOW(TM)) at a Community Testing Site During an Omicron Surge
Three separate spike antigen exposures by COVID-19 vaccination or SARS-CoV-2 infection elicit strong humoral immune responses in healthcare workers
An ensemble prediction model for COVID-19 mortality risk
Implementation, adoption and perceptions of telemental health during the COVID-19 pandemic: a systematic review
Intra-tumoral epigenetic heterogeneity and aberrant molecular clocks in hepatocellular carcinoma
Health-care workers in gastrointestinal endoscopy are at higher risk for SARS-CoV-2 infection compared to other aerosol-generating disciplines
A compartmental Mathematical model of COVID-19 intervention scenarios for Mumbai
Effect of evidence updates on key determinants of measles vaccination impact: a DynaMICE modelling study in ten high-burden countries
Serological Response to BNT162b2 and ChAdOx1 nCoV-19 Vaccines in Patients with Inflammatory Bowel Disease on Biologic Therapies; A Multi-Center Prospective Study
The Acoustic Dissection of Cough: Diving into Machine Listening-based COVID-19 Analysis and Detection
The tongue biofilm metatranscriptome identifies metabolic pathways associated with halitosis and its prevention
Whole genome sequence analysis of Salmonella Typhi in Papua New Guinea reveals an established population of genotype 2.1.7 sensitive to antimicrobials.
Causal and Associational Language in Observational Health Research: A systematic evaluation
The validation of a mobile sensor-based neurobehavioral assessment with machine learning analytics
Characteristics that modify the effect of small-quantity lipid-based nutrient supplementation on child growth: an individual participant data meta-analysis of randomized controlled trials
Socioeconomic status determines COVID-19 incidence and related mortality in Santiago, Chile
A Multi-Component Telehealth Intervention to Improve Oncofertility Care Delivery among Young Cancer Patients: A Pilot Study
The COVID-19 Infodemic: The complex task of elevating signal and eliminating noise.
Adrenaline (epinephrine) compared to selective beta-2-agonist in adults or children with acute asthma: a systematic review and meta-analysis
Mortality among healthcare workers in Indonesia during 18 months of COVID-19
Inequities in childhood immunisation coverage associated with socioeconomic, geographic, maternal, child, and place of birth characteristics in Kenya
Racial discrimination and covid-19 vaccine uptake: is mistrust of the health service behind vaccine refusal?
Mental Health of HBCU College Students during the COVID-19 Pandemic
Epicardial adipose tissue thickness is associated with increased COVID-19 severity and mortality
Omicron strain spreads with the doubling time of 3.2-3.6 days in South Africa province of Gauteng that achieved herd immunity to Delta variant
Reliability of multi-modal MRI-derived brain phenotypes for multi-site assessment of neuropsychiatric complications of SARS-CoV-2 infection