Hydroxychloroquine
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Coronavirus disease 2019 (COVID-19)
Coronavirus
2019-20 coronavirus outbreak
Medicine
Virology
Clinical trial
Betacoronavirus
Pandemic
Pre-exposure prophylaxis
Intensive care medicine
Outbreak
Internal medicine
Human immunodeficiency virus (HIV)
Infectious disease (medical specialty)
Disease
Syphilis
Men who have sex with men
