U.S. is ahead of China in vaccine race, former FDA chief says

“There’s a number of manufacturers that are either equidistant to them or not far behind,” Gottlieb said. “All look promising based on public statements they made and some of the preliminary evidence that they put out.”

President Donald Trump is pushing for a vaccine by the end of the year. Public health experts caution that while a vaccine that soon is possible, it is far from guaranteed.

“I would say that’s probably more likely a 2021 event that we’re going to have the vaccine available in sufficient quantities to mass inoculate the population,” Gottlieb said earlier this month.

David Cohen contributed to this report.