Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Preliminary Evidence on Long COVID in children
Navigating uncertain illness trajectories for young children with serious infectious illness: a mixed-methods modified grounded theory study.
Effect of in-hospital treatment with angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers on mortality and complications in patients hospitalized for COVID-19: a large Spanish cohort study.
Mini-XT, a miniaturized tagmentation-based protocol for efficient sequencing of SARS-CoV-2
Safety and immunogenicity of the third booster dose with inactivated, viral vector, and mRNA COVID-19 vaccines in fully immunized healthy adults with inactivated vaccine
Clumpiness: Modeling the Impact of Social Dynamics on COVID-19 Spread
mRNA-1273 but not BNT162b2 induces antibodies against polyethylene glycol (PEG) contained in mRNA-based vaccine formulations
The role of HIV infection in the clinical spectrum of COVID-19: a population-based cohort analysis based on US National COVID Cohort Collaborative (N3C) Enclave data
Definition of a new blood cell count (BCT) score for early survival prediction for non-small cell lung cancer patients treated with atezolizumab: Integrated analysis of 4 multicenter clinical trials
Immune response to 2-dose BNT162b2 vaccination and risk of SARS-CoV-2 breakthrough infection: The Shieldvacc-2 study
Percentage of reported Covid-19 cases in Colombia: Estimating the true scale of the pandemic
Why is patient safety a challenge? Insights from the Professionalism Opinions of Medical Students (PoMS) Research
Variation in influenza vaccine assessment, receipt, and refusal by the concentration of Medicare Advantage enrollees in U.S. nursing homes
Burden of Post-COVID-19 Syndrome and Implications for Healthcare Service Planning: A Population-based Cohort Study
Salivary proteome of aphthous stomatitis reveals the participation of vitamin metabolism, nutrients, and bacteria
COVID-19 Infection Risk amongst 14,104 Vaccinated Care Home Residents: A national observational longitudinal cohort study in Wales, United Kingdom, December 2020 to March 2021
Virologic features of SARS-CoV-2 infection in children
COVID-19 Vaccine Uptake among U.S. Child Care Providers
Using ICD-10-based Social Determinants of Health Categories to Assess Patients Risk for Acute Care Utilization
Within and between classroom transmission patterns of seasonal influenza among primary school students in Matsumoto city, Japan
Seasonal Disease in the United States Has the Hallmarks of an Entrained Circannual Clock
Evaluation of patients treated by telemedicine in the COVID-19 pandemic by a private clinic in Sao Paulo, Brazil: A non-randomized clinical trial preliminary study
Smoking methylation marks for prediction of urothelial cancer risk
Molecular evidence of coinfection with acute respiratory viruses and high prevalence of SARS-CoV-2 among patients presenting flu-like illness in Bukavu city, Democratic Republic of Congo
COVID-19 infections post-vaccination by HIV status in the United States
Estimation of the basic reproduction number of COVID-19 from the incubation period distribution