Medicine
Gold standard (test)
Kappa
Coronavirus disease 2019 (COVID-19)
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Pandemic
Population
Cohen's kappa
Internal medicine
Diagnostic test
Retrospective cohort study
Antibody
Immunology
Pediatrics
Disease
Environmental health
Statistics
Infectious disease (medical specialty)
Philosophy
Linguistics
Mathematics
