The study published in the journal The Lancet indicated that hydroxychloroquine could increase mortality risk of Covid-19 patients, WHO
While the "safety is reviewed", WHO-backed trials for the drug had been "suspended", Ghebreyesus said.
Hydroxychloroquine earlier raised hopes of emerging as a potential treatment and prevention measure, leading US President
The WHO chief said that a group will evaluate further the benefits and harms of hydroxychloroquine.
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