Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Over- and under-estimation of vaccine effectiveness
Race/ethnicity differences in vitamin D levels and impact on cardiovascular disease, bone health, and oral health
Low dose hydroxychloroquine prophylaxis for COVID-19 - a prospective study
Dynamics of gut mucosal colonisation with extended spectrum beta-lactamase producing Enterobacterales in Malawi
Longitudinal Study after Sputnik V Vaccination Shows Durable SARS-CoV-2 Neutralizing Antibodies and Reduced Viral Variant Escape over Time
The impact of health literacy-sensitive design and heart age in a cardiovascular disease prevention decision aid: randomised controlled trial and end user testing
Pulmonary Embolism Readmission Trend Over the Years: A National Readmission Database Study
COVID-19 symptom frequency comparison: non-hospitalised positively and negatively tested persons with flu-like symptoms in Austria
Adherence to prophylaxis and bleeding outcome: a multicenter Nigerian study
Disease severity related to VOC dominance in unvaccinated SARS-CoV-2 positive adults without risk factors in Sweden
Evaluation of COVID-19 vaccine breakthrough infections among immunocompromised patients fully vaccinated with BNT162b2
The Challenges for Screening and Diagnosing Gestational Diabetes Mellitus in Brazil: a cross-sectional study in a low-risk obstetric hospital.
An optimal lockdown relaxation strategy for minimizing the economic effects of covid-19 outbreak
Long-lasting cellular immunity to SARS-CoV-2 following infection or vaccination and implications for booster strategies
Validation of the short Mood and Feelings Questionnaire in young adulthood
Characterization of SARS-CoV-2 Genetic Material in Wastewater
Immunogenicity of Oxford-AstraZeneca COVID-19 vaccine in Vietnamese healthcare workers
Ventilation and the SARS-CoV-2 Coronavirus Analysis of outbreaks in a restaurant and on a bus in China, and at a Call Center in South Korea
Diet quality and risk and severity of COVID-19: a prospective cohort study
Dopamine D1 agonist effects in late-stage Parkinson's disease
Applying mixture model methods to SARS-CoV-2 serosurvey data from Geneva
A compartmental Mathematical model of COVID-19 intervention scenarios for Mumbai
Amputation in Kingdom of Saudi Arabia: Etiology, Characteristics and Clinical status from a Large Tertiary Rehabilitation Center
An AI-assisted Online Tool for Cognitive Impairment Detection Using Images from the Clock Drawing Test
Comparative genomics and characterization of SARS-CoV-2 P.1 (Gamma) Variant of Concern (VOC) from Amazonas, Brazil
Metabolome-defined obesity and the risk of future diabetes and mortality