Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: COVID-19 vaccines and evidence-based medicine
Electronic data management for vaccine trials in low resource settings: Upgrades, scalability and impact of ODK
Mortality Risk and Temporal Patterns of Atrial Fibrillation in the Nationwide Registry
T1DMicro: A Clinical Risk Calculator for Type 1 Diabetes Related Microvascular Complications
Real-time RT-PCR Allelic Discrimination Assay for Detection of N501Y Mutation in the Spike Protein of SARS-CoV-2 Associated with Variants of Concern
STUDY OF BLOOD GROUP ANALYSIS AND ITS CORRELATION WITH LYMPHOPENIA IN COVID 19 INFECTED CASES OUR EXPERIENCE IN TERITARY CARE HOSPITAL.
Brain atrophy in prodromal synucleinopathy is shaped by structural connectivity and gene expression
Griffin: Framework for clinical cancer subtyping from nucleosome profiling of cell-free DNA
Assessing the Profile of Unvaccinated COVID-19 Individuals in African American and Latinx Communities in Eastern Pennsylvania
Local emergence and decline of a SARS-CoV-2 variant with mutations L452R and N501Y in the spike protein
Relationships between freezing of gait severity and cognitive deficits in Parkinson's disease
Ranking videolaryngoscopes by orotracheal intubation performance: protocol of a systematic review and network meta-analysis of clinical trials at patient level.
Metabolomic signatures of lipid-modifying therapies using drug target Mendelian randomization
Inherent random fluctuations in COVID-19 outbreaks may explain rapid growth of new mutated virus variants
Screening for Atrial Fibrillation in Older Adults at Primary Care Visits: the VITAL-AF Randomized Controlled Trial
Tumour volume distribution can yield information on tumour growth and tumour control
Clinical echocardiography does not indicate cardiac dysfunction in critically ill Covid-19 patients
Body fat volumes and distribution in chronic schizophrenia compared to healthy controls; a cross-sectional MR study
Local Exhaust Ventilation to Control Dental Aerosols and Droplets
Individual factors underlie temperature variation in sickness and in health: influence of age, BMI and genetic factors in a multi-cohort study
Emerging models and trends in mental health crisis care in England: a national investigation of crisis care systems
The impact of real-time whole genome sequencing in controlling healthcare-associated SARS-CoV-2 outbreaks
Machine learning algorithm to predict delirium from emergency department data
Previously infected vaccinees broadly neutralize SARS-CoV-2 variants
Scientists' opinion, attitudes, and consensus towards immunity passports
Genomic characterization and Epidemiology of an emerging SARS-CoV-2 variant in Delhi, India