Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: The efficacy, safety and immunogenicity Nanocovax: results of a randomized, double-blind, placebo-controlled Phase 3 trial.
Effectiveness of vaccination against symptomatic and asymptomatic SARS-CoV-2  infection: a systematic review and meta-analysis
COVID-19 Vaccine Efficacy in a Diverse Urban Healthcare Worker Population
Accounting for the Role of Asymptomatic Patients in Understanding the Dynamics of the COVID-19 Pandemic: A Case Studyfrom Singapore
Psychological Distress Before and During the COVID-19 Pandemic: Sociodemographic Inequalities in 11 UK Longitudinal Studies
Modulation of a Stable Neurobehavioral Trait Using Repetitive Transcranial Magnetic Stimulation: A Preregistered Randomized Controlled Trial
Metabolic disorders and the risk of head and neck cancer: a protocol for a systematic review and meta-analysis
Biomarkers Selection for Population Normalization in SARS-CoV-2 Wastewater-based Epidemiology
BrainCheck: Validation of a Computerized Cognitive Test Battery for Detection of Mild Cognitive Impairment and Dementia
Glasses and risk of COVID-19 transmission - analysis of the Virus Watch Community Cohort study.
Fifteen Days in December: Capture and Analysis of Omicron-Related Travel Restrictions
Stress signaling and STAT1 activation characterize the keratinocytic gene expression pattern in Hidradenitis suppurativa
Automated Multilabel Diagnosis on Electrocardiographic Images and Signals
Modeling on Wastewater Treatment Process in Saudi Arabia: a perspective of Covid-19
"Does a respiratory virus have an ecological niche, and if so, can it be mapped?" Yes and yes.
The impact of the UK's first COVID-19 lockdown on rates of violence and aggression on psychiatric inpatient wards
Dose-dependent effect of nuts on blood pressure: a systematic review and meta-analysis of randomized controlled trials
Evolving Phenotypes of non-hospitalized Patients that Indicate Long Covid
Assessment of Motion Bias on the Detection of Dopamine Response to Challenge
A comprehensive digital phenotype for postpartum hemorrhage
Results from Canton Grisons of Switzerland Suggest Repetitive Testing Reduces SARS-CoV-2 Incidence (February-March 2021)
Plasma MIA, CRP, and albumin predict cognitive decline in Parkinson's Disease
How do Hemodialysis Center Prevent the Secondary COVID-19 Transmission in Poverty-Stricken Rural Region of China: Eperiences and Strategies
Sequencing individual genomes with recurrent genomic disorder deletions: an approach to characterize genes for autosomal recessive rare disease traits
Maternal first trimester metabolic profile in TGA pregnancies - a case-control study
Polygenic Risk Scores for Prediction of Breast Cancer Risk in Women of African Ancestry: a Cross-Ancestry Approach