A new study in France finds hydroxychloroquine doesn’t help patients with coronavirus and was associated with heart complications https://www.cnn.com/world/live-news/coronavirus-pandemic-intl-04-14-20/h_a81177302a792e1921f9f4f9c482e8f6

This study follows another in Brazil that ended early after several patients died and researchers found that high doses of the drug were associated with severe heart complications https://www.cnn.com/2020/04/13/health/chloroquine-risks-coronavirus-treatment-trials-study/index.html