Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Has the age distribution of hospitalized Covid-19 patients changed in Brazil?
An intermediate step in bridging the gap between evidence and practice: developing and applying a methodology for "general good practices"
Identification of clinical features associated with mortality in COVID-19 patients
Evaluation of the CD4+ T cell response to SARS-CoV-2 infection and cross reactivity to beta variant in children of all ages
SARS-CoV-2 N gene dropout and N gene Ct value shift as indicator for the presence of B.1.1.7 lineage in a widely used commercial multiplex PCR assay
Repeated introductions and intensive community transmission fueled a mumps virus outbreak in Washington State
Nationwide surveillance of methicillin-resistant Staphylococcus aureus isolated from bloodstream infections in Japan in 2019
Effect of RBD mutations in spike glycoprotein of SARS-CoV-2 on neutralizing IgG affinity
A prospective study of asymptomatic SARS-CoV-2 infection among individuals involved in academic research under limited operations during the COVID-19 pandemic
A SARS-CoV-2 negative antigen rapid diagnostic in RT-qPCR positive samples correlates with a low likelihood of infectious viruses in the nasopharynx.
Clinical, neuroimaging and molecular spectrum of TECPR2-associated hereditary sensory and autonomic neuropathy with intellectual disability
Causal effects of motor control on gait kinematics after orthopedic surgery in cerebral palsy: a machine-learning approach
Emergence of N antigen SARS-CoV-2 genetic variants escaping detection of antigenic tests
Young and invisible: an explanatory model for service engagement by people who inject drugs in India
High-cited favorable studies for COVID-19 treatments ineffective in large trials
Analysis of Crowdsourced Metformin Tablets from Individuals Reveals Widespread Contamination with N-Nitrosodimethylamine (NDMA) and N,N-Dimethylformamide (DMF) in the United States
Magnetic resonance imaging of the gastrointestinal tract shows reduced small bowel motility and altered chyme in cystic fibrosis compared to controls
Medium-term impacts of the waves of the COVID-19 epidemic on treatments for non-COVID-19 patients in intensive care units: a retrospective cohort study in Japan
Hypnosis and music interventions for pain, anxiety, sleep, and well-being in palliative care: a systematic review and meta-analysis
COVID-19 vaccine distrust in Colombian university students: Frequency and associated variables
Machine Learning Prediction of Progression in FEV1 in the COPDGene Study
Clinical presentation, disease course and outcome of COVID-19 in hospitalized patients with and without pre-existing cardiac disease: a cohort study across eighteen countries
Genomic Basis of Multiple Myeloma Subtypes from the MMRF CoMMpass Study
Impact of COVID-19 Pandemic on Inpatient Rehabilitation and the Original Infection Control Measures for Rehabilitation Team
The Michigan Genomics Initiative: a biobank linking genotypes and electronic clinical records in Michigan Medicine patients
Short-term effects of BNT162b2 mRNA COVID-19 vaccination on physiological measures: a prospective study