Instruct: Identify the main category of medRxiv papers based on their titles.
Query: Covid-19 lockdown: Ethnic differences in childrens self-reported physical activity and the importance of leaving the home environment. A longitudinal and cross-sectional
Child and caregiver mental health during 12 months of the COVID-19 pandemic in Australia: findings from national repeated cross-sectional surveys
Use of therapeutic play in nursing care for school-age children: a scoping review
Using a household structured branching process to analyse contact tracing in the SARS-CoV-2 pandemic
Extracorporeal membrane oxygenation in COVID-19 patients and in-hospital mortality: results from the Brazilian Registry using a propensity score matched analysis
Global predictions of short- to medium-term COVID-19 transmission trends : a retrospective assessment
City-wide wastewater genomic surveillance through the successive emergence of SARS-CoV-2 Alpha and Delta variants
Plasma metabolites associated with cognitive function across race/ethnicities affirming the importance of healthy nutrition
Genomic surveillance of SARS-CoV-2 in the Bronx enables clinical and epidemiological inference
DeepCOVID: An Operational Deep Learning-driven Framework for Explainable Real-time COVID-19 Forecasting
Cutaneous surgical wounds have distinct microbiomes from intact skin
Humoral and T-cell immune response after three doses of mRNA SARS-CoV-2 vaccines in fragile patients: the Italian VAX4FRAIL study
Inflammasome-related markers at the ICU admission are not associated with outcome in the critically ill COVID-19 patients.
Detection of SARS-CoV-2 specific IgA in the human milk of COVID-19 vaccinated, lactating health care workers
Genomic epidemiology of SARS-CoV-2 in the United Arab Emirates reveals novel virus mutation, patterns of co-infection and tissue specific host responses
In vivo kinetics of SARS-CoV-2 infection and its relationship with a person's infectiousness
Presentation collateral patterns and outcomes after endovascular thrombectomy for large vessel occlusion stroke
Diagnostic Utility of Antigen Detection Rapid Diagnostic Tests for Covid- 19: A Systematic Review and Meta-Analysis
Snotwatch COVID-Toes: An ecological study of chilblains and COVID-19 diagnoses in Victoria, Australia
Non-Invasive Scale Measurement of Cardiac Output Compared with the Gold-Standard Direct Fick Method: A Feasibility Study
Microbial signatures in the lower airways of mechanically ventilated COVID19 patients associated with poor clinical outcome
Prevalence and clinical profile of SARS-CoV-2 infection among farmworkers in Monterey County, California: June-November, 2020
The long-term effects of free care on birth outcomes: Evidence from a national policy reform in Zambia
Low levels of protective humoral immunity following mild or asymptomatic infection with SARS-CoV-2 in a community-based serological study
Impact of valganciclovir therapy on severe IRIS-Kaposi Sarcoma mortality: an open-label, parallel, randomized controlled trial.
Surveillance of Myopericarditis following COVID-19 Booster Dose Vaccination in a Large Integrated Health System