Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: SARS-CoV-2 vaccination with CoronaVac: seroconversion rate in healthcare workers after 40 days
Inferring age-specific differences in susceptibility to and infectiousness upon SARS-CoV-2 infection based on Belgian social contact data
Weighted burden analysis in 200,000 exome-sequenced subjects characterises rare variant effects on risk of type 2 diabetes
Vaccine effectiveness and duration of protection of Comirnaty, Vaxzevria and Spikevax against mild and severe COVID-19 in the UK
SARS-CoV-2 epidemic after social and economic reopening in three US states reveals shifts in age structure and clinical characteristics
Excess COVID-19 associated deaths among the unvaccinated population >= 18 years old in the US, May 30 through December 4, 2021
Durability of Protection against COVID-19 Breakthrough Infections and Severe Disease by Vaccines in the United States
Genetic overlap between idiopathic pulmonary fibrosis and COVID-19
Intraoperative microseizure detection using a high-density micro-electrocorticography electrode array
High secondary attack rate and persistence of SARS-CoV-2 antibodies in household transmission study participants, Finland 2020
Age-specific rate of severe and critical SARS-CoV-2 infections estimated with multi-country seroprevalence studies
Responsivity of the striatal dopamine system to methylphenidate - a within-subject I-123-β-CIT-SPECT study in children and adolescents with Attention-Deficit/Hyperactivity Disorder
All-cause and cause-specific mortality during and following incarceration in Brazil: a retrospective cohort study
Neutrophil Extracellular Trap Biomarker Titers and Delayed Cerebral Ischemia in Patients With Aneurysmal Subarachnoid Hemorrhage
Using self-controlled case series to understand the relationship between conflict and cholera in Nigeria and the Democratic Republic of Congo
Initial SARS-CoV-2 viral load is associated with disease severity: a retrospective cohort study
Nurse-physician Communication around Identifying Palliative Care Needs in Nursing Home Residents
Equitable COVID-19 vaccine prioritization: front-line workers or 65-74 year olds?
Reacting to outbreaks at neighboring localities
Infant RSV immunoprophylaxis changes nasal epithelial DNA methylation at six years of age
Knowledge of and Attitudes on Artificial Intelligence in Healthcare: A Provincial Survey Study of Medical Students
Central diabetes insipidus induced by temozolomide: A literature review.
Preferential preservation of visuospatial memory over verbal memory in the Old Order Amish
Methods used to select results to include in meta-analyses of nutrition research: a meta-research study
DNA methylation fingerprint for the diagnosis and monitoring of hepatocellular carcinoma from tissue and liquid biopsies
Mapping the human genetic architecture of COVID-19 by worldwide meta-analysis