Hydroxychloroquine as COVID-19 postexposure prophylaxis does not prevent infection
Hydroxychloroquine did not prevent illness similar to, or confirmed to be, COVID-19 when used as postexposure prophylaxis within 4 days of moderate- to high-risk exposure, according to findings in The New England Journal of Medicine.“The current public health strategies to mitigate [COVID-19] transmission are rapid identification of cases, isolation, contact tracing and self-quarantine of