Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Why were Twitter Users Obsessed with Vitamin D during the first year of the pandemic?
The management of Moderate Acute Malnutrition (MAM) in children aged 6-59 months: A systematic review and meta-analysis
JIA patient T cells differentiate into Th1, Th17 and Th1.17 effector cells under Th1 polarizing conditions
Optimizing ventilation cycles to control airborne transmission risk of SARS-CoV2 in school classrooms
Risk factors for long covid in previously hospitalised children using the ISARIC Global follow-up protocol: A prospective cohort study
Prospective sero surveillance among healthcare workers vaccinated with ChAdOx1 nCoV-19 Corona vaccine in a tertiary hospital of Kerala, India
Using Machine Learning to Classify Schizophrenia Based on Retinal Images
Quantifying meaningful adoption of a SARS-CoV-2 exposure notification app on the campus of the University of Arizona
A comprehensive evaluation methodology for the publicly accessible AI services for medical diagnostics
Molecular diagnosis of SARS-CoV-2: a validation of saliva samples
Effects of racial/ethnic disparities in healthcare utilization on antibiotic use, 2016/2018
A Match Made in Cyberspace: Applicant Perspectives on Virtual Residency Interviews
Socioeconomic and comorbid factors affecting mortality and length of stay in COVID-19
Amyloid deposition in granuloma of tuberculosis patients: A pilot study
Comparison of total and neutralizing SARS-CoV-2 spike antibodies against omicron and other variants in paired samples after two or three doses of mRNA vaccine
Interactions among common non-SARS-CoV-2 respiratory viruses and influence of the COVID-19 pandemic on their circulation in New York City
Human mobility data from the BBC Pandemic project
Detailed patient-individual reporting of lymph node involvement in oropharyngeal squamous cell carcinoma with an online interface
SARS-CoV-2 positivity in asymptomatic-screened dental patients
Normal mean oral temperature is 98F, not 98.2F or 98.6F
Gender Based Differences in Risks and Comorbidities in Patients Hospitalized with Acute Exacerbation of COPD: A Retrospective Observational study in Eastern-Nepal
Risk of Severe COVID-19 Outcomes Among Patients with Rheumatoid Arthritis in the United States
Domestic violence, mental health, and repeat self-harm in Sri Lanka
Large-scale silane bead-based SARS-CoV-2 testing of a nursing home in Spain identifies a viral reservoir during lockdown period
FDA-authorized COVID-19 vaccines are effective per real-world evidence synthesized across a multi-state health system
Study Pre-protocol for 'BronchStart - The Impact of the COVID-19 Pandemic on the Timing, Age and Severity of Respiratory Syncytial Virus (RSV) Emergency Presentations; a Multi-Centre Prospective Observational Cohort Study'