Medicine
Epidemiology
Cross-sectional study
Asymptomatic
Coronavirus disease 2019 (COVID-19)
Asymptomatic carrier
Pandemic
Logistic regression
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Environmental health
Demography
Transmission (telecommunications)
Public health
Internal medicine
Disease
Pathology
Sociology
Infectious disease (medical specialty)
Electrical engineering
Engineering
