"Heart risk concerns mount around use of chloroquine and hydroxychloroquine for Covid-19 treatment

By Jacqueline Howard, Elizabeth Cohen, Nadia Kounang and Per Nyberg, CNN

Updated 6:00 PM ET, Mon April 13, 2020

https://www.cnn.com/2020/04/13/health/chloroquine-risks-coronavirus-treatment-trials-study/index.html