In this March 2020 photo provided by Gilead Sciences, rubber stoppers are placed onto filled vials of the investigational drug remdesivir at a Gilead manufacturing site in the United States. On Thursday, Oct. 22, 2020, the U.S. Food and Drug Administration has approved the first drug to treat COVID-19: remdesivir, an antiviral medicine given through an IV for patients needing hospitalization. The drug, which California-based Gilead Sciences Inc. is calling Veklury, cut the time to recovery by five days on average in a large study led by the U.S. National Institutes of Health. (Gilead Sciences via AP)