There are growing signs that the Trump Administration is preparing to license a Covid-19 vaccine before the November presidential election, alarming scientists who warn that rushing a vaccine into use before large-scale clinical trials have concluded could be dangerous and might dent the public confidence needed for a successful inoculation program.
The U.S. Centers for Disease Control and Prevention has told state health officials to be prepared to begin distributing a coronavirus vaccine to healthcare workers and other high-priority groups by November 1st, days before Americans head to the polls.
