Spillover effect
Wildlife
Outbreak
Transmission (telecommunications)
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Conceptual model
Disease reservoir
Coronavirus
Coronavirus disease 2019 (COVID-19)
Biology
Geography
Ecology
Virology
Disease
Engineering
Computer science
Infectious disease (medical specialty)
Medicine
Pathology
Database
Electrical engineering
Economics
Microeconomics
