IE 11 is not supported. For an optimal experience visit our site on another browser.

‘I’m cautiously optimistic’ about experimental coronavirus vaccine, doctor says


NBC News medical correspondent Dr. Joseph Fair tells TODAY he’s “cautiously optimistic” about an experimental coronavirus vaccine from Pfizer that aims to manipulate the virus’s genetic code to boost the body’s immunity. “There’s still quite a long way to go,” Fair says, but adds that “the technology is incredibly exciting.”