Quarantine
Coronavirus disease 2019 (COVID-19)
IBM
Social distance
Econometrics
Computer science
Variable (mathematics)
Pandemic
Set (abstract data type)
Duration (music)
Statistics
Demography
Economics
Medicine
Biology
Mathematics
Disease
Infectious disease (medical specialty)
Ecology
Art
Mathematical analysis
Materials science
Literature
Pathology
Programming language
Nanotechnology
Sociology
