Efficacy and Safety of Hydroxychloroquine vs Placebo for Pre-exposure SARS-CoV-2 Prophylaxis Among Health Care Workers: A Randomized Clinical Trial | Infectious Diseases | JAMA Internal Medicine | JAMA Network

no clinical benefit of hydroxychloroquine administered daily for 8 weeks as pre-exposure prophylaxis  Source: Efficacy and Safety of Hydroxychloroquine vs Placebo for Pre-exposure SARS-CoV-2 Prophylaxis Among Health Care Workers: A Randomized Clinical Trial | Infectious Diseases | JAMA Internal Medicine | JAMA Network