Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: COVID-19 Susceptibility and Severity Risks in a Survey of Over 500,000 Individuals
The National COVID Cohort Collaborative: Clinical Characterization and Early Severity Prediction
Systematic review of social determinants of childhood immunisation in low- and middle-income countries and equity impact analysis of childhood vaccination coverage in Nigeria
Phase I single center trial of Ketogenic Diet for Adults with Traumatic Brain Injury
Racial/ethnic-based spirometry reference equations: Are they accurate for admixed populations?
SARS-CoV-2 vaccine breakthrough infections with the alpha variant are asymptomatic or mildly symptomatic among health care workers.
Lack of Causal Effects or Genetic Correlation between Restless Legs Syndrome and Parkinson's Disease
An observational analysis of patient recruitment in clinical trials in France using real-word database PMSI.French patient recruitment in clinical trials using PMSI
High frequency transmission, asymptomatic shedding, and airborne spread of Streptococcus pyogenes among schoolchildren exposed to scarlet fever: a longitudinal multi-cohort moleculo-epidemiological contact tracing study.
Association between individual and country-level socioeconomic factors and work participation in spondyloarthritis including psoriatic arthritis: analysis of the ASAS-perSpA study
Expression levels of HLA-DRB and HLA-DQ are associated with MHC Class II haplotypes in healthy individuals and rheumatoid arthritis patients
Risk models based on non-cognitive measures may identify presymptomatic Alzheimer's disease
Towards long term monitoring: Seizure detection with reduced electroencephalogram channels
Host genome analysis of structural variations by Optical Genome Mapping provides clinically valuable insights into genes implicated in critical immune, viral infection, and viral replication pathways in patients with severe COVID-19.
Risk quantification for SARS-CoV-2 infection through airborne transmission in university settings
Need of care in interpreting Google Trends-based COVID-19 infodemiological study results: potential risk of false-positivity
Genetic Polymorphisms Associated with Adverse Pregnancy Outcomes in Nulliparas
Differential age-associated brain atrophy and white matter changes among homeless and precariously housed individuals compared to the general population
The tiered restrictions enforced in November 2020 did not impact the epidemiology of the second wave of COVID-19 in Italy.
Systematic review and meta-analyses on the prevalence of dementia in Latin America and Caribbean countries: Exploring sex, rurality, age, and education as possible determinants
Low dose hydroxychloroquine prophylaxis for COVID-19 - a prospective study
Establishment of human post-vaccination SARS-CoV-2 standard reference sera
Microsampling for monitoring gentamicin in neonates.
Mutation-specific SARS-CoV-2 PCR Screen: Rapid and Accurate Detection of Variants of Concern and the Identification of a Newly Emerging Variant with Spike L452R Mutation
Prune intake ameliorates chronic constipation symptoms and causes little discomfort from diarrhea and loose stools: A randomized placebo-controlled trial
Combined Metabolic Activators Reduces Liver Fat in Nonalcoholic Fatty Liver Disease Patients