health Updated: Nov 21, 2020, 09:49 IST The World Health Organization recommended against using Gilead Sciences Inc.'s remdesivir to treat hospitalized Covid-19 patients less than a month after U.S. regulators granted the drug a speedy approval.

Ralph Baric, an infectious-disease researcher at the University of North Carolina at Chapel Hill, last week (November 9) published a study on his team's efforts to engineer a virus with the surface protein of the SHC014 coronavirus, found in horseshoe bats in China, and the backbone of one that causes human-like severe acute respiratory syndrome (SARS) in mice.