Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Randomized, Comparative, Clinical Trial to Evaluate Efficacy and Safety of PNB001 in Moderate COVID-19 Patients
SARS-CoV-2 antigen rapid diagnostic test enhanced with silver amplification technology
SARS-CoV-2 evolution and immune escape in immunocompromised patients treated with exogenous antibodies
Launching a saliva-based SARS-CoV-2 surveillance testing program on a university campus
Mandatory public health measures for COVID-19 are associated with improved mortality, equity and economic outcomes
Macrophage polarization in cesarean scar diverticulum
Public opinion on sharing data from UK health services for clinical and research purposes without explicit consent
Maternal psychiatric diagnosis and comorbidities around pregnancy
Semantic speech networks linked to formal thought disorder in early psychosis
Use of heat-not-burn tobacco products, moderate alcohol drinking, and anti-SARS-CoV-2 IgG antibody titers after BNT162b2 vaccination among Japanese healthcare workers
Impact of COVID 19 on the quality of life OF LIFE (QoL) of patients living with Sickle Cell Disorder (SCD) in Lagos Nigeria
Rasch Validation of the Revised Body Awareness Rating Questionnaire (BARQ-R) in Adults with Musculoskeletal Pain, Adults with Spinal Cord Injury, and Community-Dwelling Adults in the US
Vaccination or restriction?: COVID-19 vaccine hesitancy and vaccine passports
Reinfection by the SARS-CoV-2 P.1 variant in blood donors in Manaus, Brazil
Survival and outcomes of tocilizumab use in severe and critically ill Covid-19 patients not responding to steroids
Excess COVID-19 associated deaths among the unvaccinated population >= 18 years old in the US, May 30 through December 4, 2021
Community ECHO (Extension for Community Healthcare Outcomes) Project Promotes Cross-Sector Collaboration and Evidence-Based Trauma-Informed Care
AI-Driven Longitudinal Characterization of Neonatal Health and Morbidity
Immune response during lactation after anti-SARS-CoV2 mRNA vaccine
Analyzing the U.S. Post-marketing safety surveillance of COVID-19 vaccines
Behavioral nudges increase COVID-19 vaccinations: Two randomized controlled trials
Xenobiotic tracers uncover the gastrointestinal passage, cellular uptake and Ago2 loading of milk microRNAs in neonates
MFDNN: Multi-channel feature deep neural network algorithm to identify Covid19 chest X-ray images
Growth Functions as a tool to model SARS-CoV-2 pandemic trajectory and related-deaths worldwide
Development of reference equations for the six-minute walk distance of school-aged Nigerian children
The U.S. COVID-19 Trends and Impact Survey, 2020-2021: Continuous real-time measurement of COVID-19 symptoms, risks, protective behaviors, testing and vaccination