The antiviral drug Remdesivir has proven to be effective in the treatment of COVID-19. According to UPI, the drug can lower the risk of death in COVID-19 patients by 62%. U.S. drugmaker Gilead Sciences reported the new data on Friday. Gilead said the results came from a comparative analysis among 312 patients in its Phase 3 clinical trial. There have been over 3.4 million confirmed cases of coronavirus in the U.S., with a death toll of 138,247 people.