Malaria drug shows no benefit in another coronavirus study

A new study finds no evidence of benefit from a malaria drug widely promoted as a treatment for coronavirus infection.Hydroxychloroquine did not lower the risk of dying or needing a breathing tube in a comparison that involved nearly 1,400 patients treated at Columbia University in New York, researchers reported Thursday in the New England Journal of Medicine.President Donald Trump repeatedly urged the use of hydroxychloroquine, which is used now for lupus and rheumatoid arthritis.