Seroprevalence
Herd immunity
Pandemic
Coronavirus disease 2019 (COVID-19)
Epidemiology
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Herd
2019-20 coronavirus outbreak
Geography
Medicine
Demography
Virology
Veterinary medicine
Environmental health
Immunology
Serology
Population
Outbreak
Internal medicine
Disease
Antibody
Infectious disease (medical specialty)
Sociology
