Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Safety and immunogenicity of SARS-CoV-2 recombinant protein vaccine formulations in healthy adults: a randomised, placebo-controlled, dose-ranging study
SARS-CoV-2 Omicron triggers cross-reactive neutralization and Fc effector functions in previously vaccinated, but not unvaccinated individuals
Relationship between COVID-19 pandemic and ecological, economic, and social characteristics
Population-based Oral Cancer Service Screening Disrupted by COVID-19 Pandemic: Observational and Simulation Study
Correlation between Pregnancy Status and Severe Corona-Virus Disease Characterized by Cytokine Storm: Systematic Review and Meta-Analysis
Association between benzodiazepine receptor agonist use and increased mortality among patients hospitalized for COVID-19: results from an observational study
Graph Neural Network Modelling as a potentially effective Method for predicting and analyzing Procedures based on Patient Diagnoses
Modelling the impact of contact tracing of symptomatic individuals on the COVID-19 epidemic
Bayesian inference across multiple models suggests a strong increase in lethality of COVID-19 in late 2020 in the UK
Collecting genetic samples and linked mental health data from adolescents in schools: Protocol co-production and a mixed-methods pilot of feasibility and acceptability
Epidemiology of infections with SARS-CoV-2 Omicron BA.2 variant in Hong Kong, January-March 2022
Sex disparities and neutralizing antibody durability to SARS-CoV-2 infection in convalescent individuals
Predictive modelling of highly multiplexed tumour tissue images by graph neural networks
Survey of Behaviour Attitudes Towards Preventive Measures Following COVID-19 Vaccination
A steady trickle-down from metro districts and improving epidemic-parameters characterized the increasing COVID-19 cases in India
Risk factors of uncontrolled hypertension in urban slums of Central India : A Community health worker based two-year follow up
Declining Course of Humoral Immune Response in Initially Responding Kidney Transplant Recipients after Repeated SARS-CoV-2 Vaccination
Inflated false-negative rates in pooled RT-PCR tests of SARS-CoV-2
Imported SARS-COV-2 Variants of Concern Drove Spread of Infections Across Kenya During the Second Year of the Pandemic
Delays during PBMC isolation have a moderate effect on yield, but severly compromise cell viability
Major sex differences in migraine prevalence among occupational categories: a cross-sectional study using UK Biobank
A new accessible adaptable COVID-19 model
Long-lasting effects of insufficient sleep on neurocognitive development in early adolescence
Clinical Characteristics and Outcomes of Critically ill Mechanically Ventilated COVID-19 Patients Receiving interleukin-6 Receptor Antagonists and/or Corticosteroid Therapy, the INTERACT study: A Multicenter International Observational Study
The Population Attributable Fraction (PAF) of cases due to gatherings and groups with relevance to COVID-19 mitigation strategies
Spatiotemporal spread of COVID-19: Comparison of the inhomogeneous SEPIR model and data from South Carolina