Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: COVID-Q: validation of the first COVID-19 questionnaire based on patient-rated symptom gravity
Exhaled CO2 as COVID-19 infection risk proxy for different indoor environments and activities
The Acoustic Dissection of Cough: Diving into Machine Listening-based COVID-19 Analysis and Detection
Relating SARS-CoV-2 shedding rate in wastewater to daily positive tests data: A consistent model based approach
Changes in utilization and outcomes of mechanical ventilation of COVID-19 during the course of the pandemic in Germany in 2020: an observational study of 7,490 patients
Community end-of-life care during the COVID-19 pandemic: Initial findings of a UK primary care survey
Increased Burden of Familial-associated Early-onset Cancer Risk among Minority Americans Compared to non-Latino Whites.
Psychosocial and psychological Interventions effectiveness among Nurses in Intensive Care Units caring for pediatric patients: A Systematic Review and Meta-Analysis
Emergence of SARS-CoV-2 stains harbouring the signature mutations of both A2a and A3 clade
Pre-morbid use of proton pump inhibitors has no effect on the risk of death or hospitalization in COVID-19 patients: a matched cohort study
Population Optimally Immunized after Accounting for Type-Specific COVID-19 Vaccine Waning Intervals: State-Level Prevalence and Trends
Assessing the validity of dual-minima algorithm for heel-strike and toe-off prediction for the amputee population
Patient stratification reveals the molecular basis of disease comorbidities
Hot days and Covid19 - unusual heat stress for nursing professions in Germany
Red Blood Cell Stiffness Driving Patient Symptoms: A Study of Red Blood Cell Population Rigidity in Sickle Cell Patient Genotype SC Relation to Overlooked Clinical Symptoms
Efficacy of interventions to increase physical activity for people with heart failure: a meta-analysis
Cov2clusters: genomic clustering of SARS-CoV-2 sequences
Forecast verifications for the real COVID-19 pandemic dynamics in Qatar
Small Airways Disease is a Post-Acute Sequelae of SARS-CoV-2 Infection
Mapping routine measles vaccination and factors related to uncompleted vaccination in Japan: An ecological study
Highly valued despite burdens: qualitative implementation research on rapid tests for hospital-based SARS-CoV-2 screening
Vascular risk is not associated with PET measures of Alzheimer's disease neuropathology among cognitively normal older adults
Domain specific need assessment for Disaster Preparedness: a systematic review and critical interpretative synthesis
Neutrophil Extracellular Trap Biomarker Titers and Delayed Cerebral Ischemia in Patients With Aneurysmal Subarachnoid Hemorrhage
Reconstructing long-term dengue virus immunity in French Polynesia
Self-management of depression and anxiety amongst frail older adults in the United Kingdom: a qualitative study