Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: A kinetic model considering the decline of antibody level and vaccination of COVID-19
Vaccine effectiveness of two and three doses of BNT162b2 and CoronaVac against COVID-19 in Hong Kong
COVID-19 Susceptibility, Mortality, and Length of hospitalization based on age-sex composition: Evidence from Davao Region Philippines
Genomic epidemiology reveals how restriction measures shaped the SARS-CoV-2 epidemic in Brazil
Blood bacterial DNA, intestinal adenoma and colorectal cancer
Efficacy and safety of a drug-free, barrier-forming nasal spray for allergic rhinitis: randomized, open-label, crossover noninferiority trial
Family responsibilities and mental health of kindergarten educators during the first COVID-19 pandemic lockdown in Ontario, Canada
Medication use and physical assaults in the psychiatric emergency room
A systematic review of the factors associated with suicide attempts among sexual-minority adolescents
The indirect effect of mRNA-based Covid-19 vaccination on unvaccinated household members
The contribution of white matter pathology, hypoperfusion, lesion load, and stroke recurrence to language deficits following acute subcortical left hemisphere stroke
Single-Blind and Double-Blind Peer Review: Effects on National Representation
Genetic inactivation of zinc transporter SLC39A5 improves liver function and hyperglycemia in obesogenic settings
Prevalence of cardiovascular risk factors in osteoarthritis patients derived from primary care records: a systematic review of observational studies
Do epigenetic clocks provide explanations for sex differences in lifespan? A cross-sectional twin study
High prevalence of olfactory disorders 18 months after contracting COVID-19
Infrequent intranasal oxytocin followed by positive social interaction improves symptoms in autistic children: a randomized clinical trial
Three year experience of Upper Gastrointestinal Endoscopic procedures at a tertiary care hospital of South Punjab
Current and Lifetime Somatic Symptom Burden Among Transition-aged Young Adults on the Autism Spectrum
The evolving SARS-CoV-2 epidemic in Africa: Insights from rapidly expanding genomic surveillance.
Single-cell RNA-sequencing reveals predictive features of response to pembrolizumab in Sezary syndrome
The impact of National Centralized Drug Procurement policy on the use of policy-related original and generic drugs in public medical institutions in China: A difference-in-difference analysis based on national database
Integrated multi-omics reveals anaplerotic rewiring in methylmalonyl-CoA mutase deficiency
Integrated multi-omics data analysis identifies a novel genetics-risk gene of IRF4 associated with prognosis of oral cavity cancer
Common and distinct cortico-striatal volumetric changes in cocaine and heroin use disorder
Soft drinks can be misused to give false false positive SARS-CoV-2 lateral flow device results