Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Regulatory T-cells are central hubs for age-, sex- and severity-associated cellular networks during COVID-19
The course of COVID-19 in patients with chronic spontaneous urticaria receiving omalizumab treatment
Cooccurrence of N501Y, P681R and other key mutations in SARS-CoV-2 Spike
Detecting Patient Position Using Bed-Reaction Forces and Monitoring Skin-Bed Interface Forces for Pressure Injury Prevention and Management
Accessibility of Canadian COVID-19 Testing Locations for People with Disabilities During the Third Wave of the COVID-19 Pandemic
Duration of Oxygen Requirement and Predictors in Severe COVID-19 Patients in Ethiopia: A Survival Analysis
Perception and awareness of COVID-19 among health science students and staff of Kuwait University: An online cross-sectional study
RT-RC-PCR: a novel and highly scalable next-generation sequencing method for simultaneous detection of SARS-COV-2 and typing variants of concern
Clinical performance of oral sponge sampling for detection by RT-PCR of SARS-CoV-2
Identification of Key Influencers for Secondary Distribution of HIV Self-Testing among Chinese MSM: A Machine Learning Approach
Coronavirus disease (COVID-19) associated Mucormycosis: An Anaesthesiologist's Perspective
Is coagulation-protein consumption upon admission linked to COVID-19 severity and mortality?
The clinical need for clustered AChR cell-based assay testing of seronegative MG
SIGLEC1 enables straightforward assessment of type I interferon activity in idiopathic inflammatory myopathies
Impact of voluntary risk-mitigation behaviour on transmission of the Omicron SARS-CoV-2 variant in England
Correlation between the environmental parameters with outbreak pattern of COVID-19: A district level investigation based on yearlong period in India
Optimal test-assisted quarantine strategies for COVID-19
Variation in Racial and Ethnic Representation of Heart Transplant Recipients, Waitlists, and Local Census Demographics Across Transplant Centers in the US
Large-scale seroepidemiology identifies a nephro-vascular syndrome associated with autoimmune reactivity to tau
A validated hypoxia-inducible factor (HIF) signature across tissue compartments predicts clinical outcome in human lung fibrosis
SARS-CoV-2 recruits a haem metabolite to evade antibody immunity
Bridging the polar and hydrophobic metabolome in single-run untargeted liquid chromatography-mass spectrometry dried blood spot metabolomics for clinical purposes
Global seroprevalence of SARS-CoV-2 antibodies: a systematic review and meta-analysis
Pandemic excess mortality in Spain, Sweden, and Switzerland during the COVID-19 pandemic in 2020 was at its highest since 1918
Pre-treatment lactate dehydrogenase levels as predictor of hepatic resection in intermediate stage hepatocellular carcinoma
Deploying wearable sensors for pandemic mitigation