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