Trump-touted hydroxychloroquine shows no benefit in COVID-19 prevention: study ReutersHCQ Fails as COVID-19 Pre-Exposure Prophylaxis for HCPs MedPage TodayAustralian scientists insist hydroxychloroquine could prevent people catching COVID-19 Daily MailHope for hydroxychloroquine: scientists back trial The AustralianCoronavirus: Study finds hydroxychloroquine doesn't prevent COVID-19, as Donald Trump claims NewshubView Full Coverage on Google News