Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Systematic review of social determinants of childhood immunisation in low- and middle-income countries and equity impact analysis of childhood vaccination coverage in Nigeria
Effectiveness of a Fourth Dose of COVID-19 Vaccine among Long-Term Care Residents in Ontario, Canada
Disparities in SARS-CoV-2 case rates by ethnicity, religion, measures of socio-economic position, English proficiency, and self-reported disability: cohort study of 39 million people in England during the Alpha and Delta waves
Effectiveness of Covid-19 vaccines against symptomatic and asymptomatic SARS-CoV-2 infections in an urgent care setting
A mesocorticolimbic dopamine gene network moderates the effect of early adversity on the risk for psychiatric and cardio-metabolic comorbidities
The antibody response to SARS-CoV-2 increases over 5 months in patients with anosmia/dysgeusia
Implementation of the 2021 molecular ESGO/ESTRO/ESP risk groups in endometrial cancer
Modeling and Interpreting Patient Subgroups in Hospital Readmission: Visual Analytical Approach
Ornithine Decarboxylase (ODC1) gene variant (rs2302615) is associated with gastric cancer independently of  Helicobacter pylori  CagA serostatus
Meta-analysis of rapid direct-to-PCR assays for the qualitative detection of SARS-CoV-2
Performance characteristics of five antigen-detecting rapid diagnostic test (Ag-RDT) for SARS-CoV-2 asymptomatic infection: a head-to-head benchmark comparison
Local SARS-CoV-2 peptide-specific Immune Responses in Lungs of Convalescent and Uninfected Human Subjects
Vitamin D and COVID-19 susceptibility and severity in the COVID-19 Host Genetics Initiative: A Mendelian randomization study
A Voice App Design for Heart Failure Self-Management: A Pilot Study
The efficacy and safety of bamlanivimab treatment against COVID-19: A meta-analysis
The effect of COVID-19 vaccination in Italy and perspectives for 'living with the virus'
Prior COVID-19 Infection and Antibody Response to Single Versus Double Dose mRNA SARS-CoV-2 Vaccination
Potential severity, mitigation, and control of Omicron waves depending on pre-existing immunity and immune evasion
AImmune: a new blood-based machine learning approach to improving immune profiling analysis on COVID-19 patients
Genetic Risk for Hemochromatosis is Associated with Movement Disorders
Remdesivir to treat COVID-19: can dosing be optimized?
AI-DRIVEN QUANTIFICATION OF GROUND GLASS OPACITIES IN LUNGS OF COVID-19 PATIENTS USING 3D COMPUTED TOMOGRAPHY IMAGING
Reducing the use of sleep-inducing drugs during hospitalization by a multi-faceted intervention - a pilot study
Psychometric properties of upper limb kinematics during functional tasks in children and adolescents with dyskinetic cerebral palsy
SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals
Systematic single-variant and gene-based association testing of 3,700 phenotypes in 281,850 UK Biobank exomes