FILE - This Tuesday, April 7, 2020, file photo shows a bottle of hydroxychloroquine tablets in Texas City, Texas. The U.N. health agency says the world's largest randomized trial of COVID-19 treatments found “conclusive evidence” that a repurposed malaria drug that U.S. authorities have made a pillar of treatment and President Donald Trump has touted has little or no effect on severe cases. The World Health Organization announced Friday, Oct. 16, 2020, the long-awaited results of its six-month “Solidarity Therapeutics Trial” that endeavored to see if existing drugs might have an effect on the coronavirus. (AP Photo/David J. Phillip, File)
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