A pharmacist holds a bottle of the drug hydroxychloroquine in Oakland, Calif. in April 2020.   –   Copyright  Ben Margot/AP Three of the authors of a study which found that taking an anti-malaria drug could increase the risk of mortality in COVID-19 patients retracted their paper on Thursday. The study, released on May 22 in The Lancet medical journal, … Continue reading COVID-19: Authors retract study on hydroxychloroquine which halted trials worldwide