Medicine
Pneumonia
Bronchoalveolar lavage
Coronavirus disease 2019 (COVID-19)
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Respiratory tract
Pandemic
Virology
Coronavirus
Respiratory tract infections
Respiratory system
2019-20 coronavirus outbreak
Internal medicine
Lung
Infectious disease (medical specialty)
Outbreak
Disease
