https://www.siliconvalley.com/2020/10/16/study-finds-4-drugs-have-little-to-no-effect-on-covid-19/ > GENEVA — The world’s largest randomized trial of COVID-19 treatments found “conclusive evidence” that remdesivir, a drug used to treat U.S. President Donald Trump when he fell ill, has little or no effect on severe cases, the U.N. health agency said Friday. > The World Health Organization announced the long-awaited results of a six-month trial that endeavored to see if existing drugs might have an effect on the coronavirus.