Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Unexplained longitudinal variability in COVID-19 antibody status by Lateral Flow Immuno-Antibody testing
Evaluation of Facial Protection Against Close-Contact Droplet Transmission
Social and Clinical Determinants of COVID-19 Outcomes: Modeling Real-World Data from a Pandemic Epicenter
Visual and refractive status of children with Down's syndrome and nystagmus
Metabolic subgroups and cardiometabolic multimorbidity in the UK Biobank
Cardiometabolic risk factors associated with brain age and accelerate brain ageing
Does COVID-19 vaccination improve mental health? A difference-in-difference analysis of the Understanding Coronavirus in America study
Safety and immunogenicity of a recombinant DNA COVID-19 vaccine containing the coding regions of the spike and nucleocapsid proteins: Preliminary results from an open-label, phase 1 trial in healthy adults aged 19-55 years
Experiences with Primary Care in the State of Utah for Gender Diverse People: Surveying the Difficulties in Accessing Healthcare
Efficacy of SARS-CoV-2 vaccine in thoracic cancer patients: a prospective study supporting a third dose in patients with minimal serologic response after two vaccine doses
Mapping dopaminergic projections in the human brain with resting-state fMRI
Identifying Mitral Valve Prolapse at Risk for Ventricular Arrhythmias and Myocardial Fibrosis from 12-lead Electrocardiograms using Deep Learning
Acceptability of COVID-19 vaccination among health care workers in Ghana
Establishment of an evaluation panel for the decentralized technical evaluation of the sensitivity of 31 rapid detection tests for SARS-CoV-2 diagnostics
BNT162b2 post-exposure-prophylaxis against COVID-19
Analysis of Whole Genome Sequencing in a Cohort of Individuals with PHACE Syndrome Suggests Dysregulation of RAS/PI3K Signaling
Robust spike antibody responses and increased reactogenicity in seropositive individuals after a single dose of SARS-CoV-2 mRNA vaccine
Evaluating the number of unvaccinated people needed to exclude to prevent SARS-CoV-2 transmissions
EDUCATING MEDICAL PRACTITIONERS ABOUT MEDICAL BILLING: A SYSTEMATIC REVIEW OF THE LITERATURE.
Validation of a NGS panel, with automated analysis, designed for detection of medically actionable tumor biomarkers for Latin America.
Effect of information about COVID-19 vaccine effectiveness and side effects on behavioural intentions: two online experiments
The Ecological Structure of Mosquito Population Dynamics: Insights from India
Psychosocial factors affecting COVID-19 vaccine uptake in the UK: a prospective cohort study (CoVAccS - wave 3)
Comparative Effectiveness of BNT162b2 versus Ad26.COV2.S for the Prevention of COVID-19 among Dialysis Patients
An Updated Systematic Review and Meta-Analysis of Mortality, Need for ICU admission, Use of Mechanical Ventilation, Adverse effects and other Clinical Outcomes of Ivermectin Treatment in COVID-19 Patients
Genetic Subgroups Inform on Pathobiology in Adult and Pediatric Burkitt Lymphoma