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Scientists Don’t Know If Hydroxychloroquine Is Useful — Or Even Safe — For Coronavirus Patients

President Trump has touted hydroxychloroquine, an antimalarial drug, as a way to fight COVID-19. But without proper testing, we don’t know the risks of giving this drug, or any other medication, to coronavirus patients.

Kaleigh Rogers is a FiveThirtyEight reporter covering science, politics and technology.

Anna Rothschild is FiveThirtyEight’s senior producer for video.