Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Immunogenicity and safety of the CoronaVac inactivated SARS-CoV-2 vaccine in people with underlying medical conditions: a retrospective study
Synthetic protein antigens for COVID-19 diagnostics
Oxygen provision to severely ill COVID-19 patients at the peak of the 2020 pandemic in a Swedish district hospital: medical records-based cohort study
Modeling Pulmonary Cystic Fibrosis in a Human Lung Airway-on-a-chip
Characteristics and preparedness for COVID-19 outbreaks of Australian residential aged care facilities: A cross-sectional survey
Burden of PCR-Confirmed SARS-CoV-2 Reinfection in the U.S. Veterans Administration, March 2020 - January 2022
Autoantibodies against IL-1-receptor-antagonist in multisystem inflammatory syndrome in children
Breakthrough SARS-CoV-2 infections after COVID-19 mRNA vaccination in MS patients on disease modifying therapies
Clinical cholera surveillance sensitivity in Bangladesh and implications for large-scale disease control
REACT-1 round 11 report: low prevalence of SARS-CoV-2 infection in the community prior to the third step of the English roadmap out of lockdown
Prophylactic Antibiotics in Arteriovenous Fistulae: A systematic Review
Antibody Response to COVID-19 vaccination in Patients Receiving Dialysis
Gut microbiome activity predicts risk of type 2 diabetes and metformin control in a large human cohort
"At that moment, understanding the donation is crucial to make a decision": A qualitative study exploring the process of postmortem brain tissue donation after suicide
Digital contact tracing contributes little to COVID-19 outbreak containment
Investigation of air change rate and aerosol behavior during an outbreak of COVID-19 in a geriatric care facility
DNA methylation and general psychopathology in childhood: An epigenome-wide meta-analysis from the PACE consortium
Genetic inactivation of zinc transporter SLC39A5 improves liver function and hyperglycemia in obesogenic settings
Linking vestibular function and sub-cortical grey matter volume changes in a longitudinal study of aging adults
Whole genome analysis in APOE4 homozygotes identifies the DAB1-RELN pathway in Alzheimer's disease pathogenesis
A machine learning-based SNP-set analysis approach for identifying disease-associated susceptibility loci
Prevalence of central obesity and its associated risk factors among adults in Southeast Ethiopia: a community-based cross-sectional study
The Challenges of Episodic Office-based Blood Pressure Measurement for the Management of Hypertension
The relative impact of vaccination momentum on COVID-19 rates of death in the USA in 2020/2021. The forgotten role of population wellness.
Community end-of-life care during the COVID-19 pandemic: Initial findings of a UK primary care survey
Detection of local microvascular proliferation in IDH wild-type Glioblastoma using relative Cerebral Blood Volume.