Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: COMORBIDITY ANALYSIS: OVERLAPPING SEMICIRCLES WITH WIGNER LAW AND RANDOM MATRIX THEORY
Generic Patient-Reported Outcomes and Outcome Measures: A Systematic Review Study Protocol
Macrophage polarization in cesarean scar diverticulum
Human blood DNA methylation patterns reflect individual lifestyle
Does COVID-19 vaccination improve mental health? A difference-in-difference analysis of the UnderstandingCoronavirus in America study
Broad decline and subsequent differential re-emergence of respiratory viruses during COVID-19 pandemic response measures, Singapore 2020
Bioactive Metabolomic Profiles of Scleroderma-PAH are different than idiopathic PAH and associated with worse clinical outcomes
Familial risk of psychosis in obsessive-compulsive disorder: Impact on clinical characteristics, comorbidity and treatment response
Assessing the effect of back exoskeletons on injury risk during material handling
Noninvasive Detection of Fetal Genetic Variations through Polymorphic Sites Sequencing of Maternal Plasma DNA
The PKN1- TRAF1 signaling axis as a potential new target for chronic lymphocytic leukemia
Molecular epidemiology of SARS-CoV-2 in Greece reveals low rates of onward virus transmission after lifting of travel restrictions based on risk assessment during summer 2020
SARS-CoV-2 Antibody Response in Patients Undergoing Kidney Transplantation
Comprehensive Study of Germline Mutations and Double-Hit Events in Esophageal Squamous Cell Cancer
Severe Neuro-COVID is associated with peripheral immune signatures, autoimmunity and signs of neurodegeneration: a prospective cross-sectional study
Modelling the epidemic growth of preprints on COVID-19 and SARS-CoV-2
The increase in the risk of severity and fatality rate of covid-19 in southern Brazil after the emergence of the Variant of Concern (VOC) SARS-CoV-2 P.1 was greater among young adults without pre-existing risk conditions
Evidence for SARS-CoV-2 Spike Protein in the Urine of COVID-19 patients
Problems with Evidence Assessment in COVID-19 Health Policy Impact Evaluation (PEACHPIE): A systematic strength of methods review
National interest may require distributing COVID-19 vaccines to other countries
How effective was Newfoundland & Labrador's travel ban to prevent the spread of COVID-19? An agent-based analysis
Feasibility, Acceptability, and Effectiveness of Non-Pharmaceutical Interventions for Infectious Disease Prevention and Control in Crisis-Affected Settings and Informal Settlements: A Scoping Review
Association between time spent with family and loneliness among Japanese workers during the COVID-19 pandemic: a cross-sectional study
Intrinsic Capacity of Rural Elderly in Thar Desert using WHO ICOPE (Integrated Care for Older Persons) Screening Tool: A Pilot Study
Saliva testing is accurate for early-stage and presymptomatic COVID-19
Improving the Diagnosis of SIBO Using an At-Home Handheld App Connected Breath Analysis Device (AIRE)