Hydroxychloroquine 'doesn't prevent' COVID-19, reports trial

An NEJM study finds no difference between the anti-malaria drug and placebo when used as a prophylaxis

Hydroxychloroquine has been shown to be ineffective in preventing infection in people exposed to coronavirus, according to a widely anticipated clinical trial from the US.

The trial in the New England Journal of Medicine also found no serious side effects or heart problems from hydroxychloroquine use.

In the first major study comparing hydroxychloroquine to a placebo to gauge its effect against COVID-19, researchers tested 821 people who had recently