Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: COVID-19 in Brazilian children and adolescents: findings from 21 hospitals
Relative Importance of Various Inflammatory Markers and Their Critical Thresholds for COVID-19 Mortality
Prevalence of Occupation Associated with Increased Mobility During COVID-19 Pandemic
The efficacy of transcranial magnetic stimulation (TMS) for negative symptoms in schizophrenia: A systematic review and meta-analysis
Dengue Fever Distribution, Climate and Visitors: A Study from Badung District of Bali, Indonesia
Estimation of infection rate and the population size potentially exposed to SARS-CoV-2 in Japan during 2020
Should healthcare workers with SARS-CoV-2 household exposures work? A Cohort Study.
Neuromotor Prosthetic to Treat Stroke-Related Paresis
A nationwide deep learning pipeline to predict stroke and COVID-19 death in atrial fibrillation
How Informative Were Early SARS-CoV-2 Treatment and Prevention Trials? A longitudinal cohort analysis of trials registered on clinicaltrials.gov
Post COVID-19 in children, adolescents, and adults: results of a matched cohort study including more than 150,000 individuals with COVID-19
Cognitive function and vitamin B12 and D in elders from Ecuador
Epidemiological profile of patients with stage 5 chronic kidney disease on dialysis with Covid 19 infection in a Public Hospital-Peru
Development of an ensemble machine learning prognostic model to predict 60-day risk of major adverse cardiac events in adults with chest pain
Persistent neuropsychiatric symptoms after COVID-19: a systematic review and meta-analysis.
Immune response to third SARS-CoV-2 vaccination in seronegative kidney transplant recipients: possible improvement by mycophenolate mofetil reduction
Differential associations between neocortical tau pathology and blood flow with cognitive deficits in early-onset vs late-onset Alzheimer's disease
Characterization of a base-resolution common deletion region within CDKN2A gene in cancers and its biological and clinical significances
COVID-19 Vaccine: Newspaper Coverage of the side effects of the vaccine in Nigeria
The effects of maternal pre-pregnancy BMI, pregnancy smoking and alcohol consumption on molar-incisor hypomineralisation: A negative control study
NEMoE: A nutrition aware regularized mixture of experts model addressing diet-cohort heterogeneity of gut microbiota in Parkinson's disease
Mitochondrial DNA copy number, metabolic syndrome, and insulin sensitivity: Insights from the Sugar, Hypertension, and Physical Exercise Studies
Best Practices on Big Data Analytics to Address Sex-Specific Biases in our Understanding of the Etiology, Diagnosis and Prognosis of Diseases
Genetic regulation of OAS1 nonsense-mediated decay underlies association with risk of severe COVID-19
Functional response to a microbial synbiotic in the gastrointestinal system of constipated children
Performance of a Computational Phenotyping Algorithm for Sarcoidosis Using Diagnostic Codes in Electronic Medical Records: A Pilot Study from Two Veterans Affairs Medical Centers