BAYRY - Use of malaria drugs in COVID-19 carries higher mortality risk - study May, 22 2020 10:56 AM Bayer AG ADR A just-published study in the journal Lancet may dampen the enthusiasm for using chloroquine and hydroxychloroquine to treat COVID-19 patients.More news on: Mylan N.V., Sanofi, Teva Pharmaceutical Industries Limited, Healthcare stocks news, Read more ...