Coronavirus disease 2019 (COVID-19)
2019-20 coronavirus outbreak
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Global health
Low and middle income countries
Pandemic
Environmental health
Cohort study
High income countries
Medicine
Public health
Prospective cohort study
Cohort
Geography
Economic growth
Developing country
Virology
Nursing
Pathology
Disease
Economics
Infectious disease (medical specialty)
Outbreak
