The rush for results may make it harder to get clear answers about how well the vaccines work, said Topol, the Scripps scientist.
“We want to know this vaccine has strong efficacy,” he said. “And that means two things: that it works in the majority of people and that it works to prevent serious infections, not sore throats or muscle aches.”
--With assistance from James Paton.
This article was provided by Bloomberg News.