Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Vaccination reduces need for emergency care in breakthrough COVID-19 infections: A multicenter cohort study
Detection of Human Papillomaviruses DNA in paired peripheral blood and cervix samples patients with cervical lesions and healthy individuals
Immunomodulation by intravenous omega-3 fatty acid treatment in older subjects hospitalized for COVID-19: a single-blind randomized controlled trial
Changes in live births, preterm birth, low birth weight, and cesarean deliveries in the United States during the SARS-CoV-2 pandemic
Considerations for using multiple imputation in propensity score-weighted analysis
How has the COVID-19 pandemic impacted on smoking and nicotine dependence among people with severe mental ill health? Analysis of linked data from a UK Closing the Gap Cohort
Temporal considerations in the 2021 COVID-19 lockdown of Ho Chi Minh City
Identification of genetic loci associated with antibodies to specific sets of citrullinated peptides in rheumatoid arthritis patients
Collaborative Cohort of Cohorts for COVID-19 Research (C4R) Study: Study Design
Seasonal influenza vaccine hesitancy profiles and determinants among Chinese children's guardians and the elderly
Genome-wide rare variant score associates with morphological subtypes of autism spectrum disorder
Epidemiology study of SARS-CoV-2 pandemic in India, the first and second wave
Herd immunity induced by COVID-19 vaccination programs to suppress epidemics caused by SARS-CoV-2 wild type and variants in China
Have deaths of despair risen during the COVID-19 pandemic? A rapid systematic review
Phase I single center trial of Ketogenic Diet for Adults with Traumatic Brain Injury
Cash versus Lotteries: COVID-19 Vaccine Incentives Experiment
The Influence of Contextual Factors on Maternal Healthcare Utilization in sub-Saharan Africa: A Scoping Review of Multilevel Models
Estimating the risk reduction of isolation on COVID-19 non-household transmission and severe/critical illness in non-immune individuals: September to November 2021
Clinical observation of high-flow nasal cannula (HFNC) with non-rebreather mask (NRM) use on severe or critically ill COVID-19 diabetic patients
Real-world effects of ACE inhibitors and Angiotensin Receptor Blockers: protocol for an emulation study of the ONTARGET trial using electronic health records
Advancing data science in drug development through an innovative computational framework for data sharing and statistical analysis.
Detection and quantification of SARS-CoV-2 RNA in wastewater influent in relation to reported COVID-19 incidence in Finland
A Systematic Review and Meta-Analysis on Catastrophic Cost incurred by Tuberculosis Patients and their Households
Deep Learning-based Prediction of Early Cerebrovascular Events after Transcatheter Aortic Valve Replacement
Quantification of the spread of SARS-CoV-2 variant B.1.1.7 in Switzerland
The new SARS-CoV-2 variant and reinfection in the resurgence of COVID-19 outbreaks in Manaus, Brazil