Coronavirus disease 2019 (COVID-19)
Shock (circulatory)
Event (particle physics)
Economics
Stage (stratigraphy)
Econometrics
2019-20 coronavirus outbreak
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Biology
Medicine
Paleontology
Physics
Disease
Pathology
Quantum mechanics
Virology
Outbreak
Infectious disease (medical specialty)
Internal medicine
