Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Significant reduction in humoral immunity among healthcare workers and nursing home residents 6 months after COVID-19 BNT162b2 mRNA vaccination
Reduced levels of convalescent neutralizing antibodies against SARS-CoV-2 B.1+L249S+E484K lineage
Metabolite-based dietary supplementation in human type 1 diabetes is associated with microbiota and immune modulation
Convalescent Plasma in Critically ill Patients with COVID-19
GP73 is a glucogenic hormone regulating SARS-CoV-2-induced hyperglycemia
Environmental and behavioral exposure pathways associated with diarrhea and enteric pathogen detection in twenty-six week old urban Kenyan infants: a cross-sectional study
Accuracy of telephone triage for predicting adverse outcome in suspected COVID-19: An observational cohort study
Methylome analysis for prediction of long and short-term survival in glioblastoma patients from the Nordic trial
Genome-wide association study across five cohorts identifies five novel loci associated with idiopathic pulmonary fibrosis
EFFECT OF FULL VACCINATION AND POST-COVID OLFACTORY DYSFUNCTION IN RECOVERED COVID-19 PATIENT. A RETROSPECTIVE LONGITUDINAL STUDY WITH PROPENSITY MATCHING.
Risk factors and survival in patients with COVID-19 in northeastern Brazil.
Association between willingness to receive the COVID-19 vaccine and sources of health information among Japanese workers: a cohort study
Whole Exome Sequencing in dense families suggests genetic pleiotropy amongst Mendelian and complex neuropsychiatric syndromes
Ranking videolaryngoscopes by orotracheal intubation performance: protocol of a systematic review and network meta-analysis of clinical trials at patient level.
Reports of myocarditis and pericarditis following mRNA COVID-19 vaccines: A systematic review of spontaneously reported data from the UK, Europe, and the US and of the literature
Effect of removing race correction factor in glomerular filtration rate estimation on predicting acute kidney injury after percutaneous coronary intervention
Photoreceptor layer thinning is an early biomarker for age-related macular degeneration development: Epidemiological and genetic evidence from UK Biobank optical coherence tomography data
Research Letter: Reactive balance responses after mild traumatic brain injury (mTBI): a scoping review
Epidemiological profile study of COVID-19 in West African countries: Nigeria, Senegal, Mauritania, Cape Verde and Mali
Estimating event ban effects on COVID-19 outbreak in Japan
Antipsychotic Polypharmacy and Adverse Drug Reactions Among Adults in a London Mental Health Service, 2008-2018
COVID-19 immunization threshold(s): an analysis
Detection of SARS-CoV-2 RNA Throughout Wastewater Treatment Plants and A Modeling Approach to Understand COVID-19 Infection Dynamics in Winnipeg, Canada
Epidemiology and Clinical Characteristics in Individuals with Confirmed SARS-CoV-2 Infection During the Early COVID-19 Pandemic in Saudi Arabia
Genome sequencing in the Parkinson disease clinic
Beliefs about Mask Efficacy and the Effect of Social Norms on Mask Wearing Intentions for COVID-19 Risk Reduction