Covid-19: Three Big Studies Say Hydroxychloroquine Does Not Help

Three big studies dim hopes that hydroxychloroquine can treat or prevent COVID-19 – Science

Original Studies: No Benefit From the Use of Hydroxychloroquine in Hospitalized Patients with COVID-19 AND Hydroxychloroquine Not Effective as Postexposure Prophylaxis for Covid-19

Related Commentary on Twitter

There's a 3rd new, negative randomized trial of hydroxychloroquine from Spain in 2,300 patients w/ #COVID19. Now what? https://t.co/QTApLuAfDp by @kakape @ScienceMagazine

— Eric Topol (@EricTopol) June 9, 2020