Pfizer To Seek Vaccine Approval “Within Days”
The company now says their COVID-19 vaccine is even more effective than first thought. NBC's Sarah Dallof reports.
(NBC News) — Pfizer and Biontech, the manufacturers of one of the most promising COVID-19 vaccines currently undergoing trials, now say their candidate is more effective than previously thought. According their data there were 170 confirmed cases of COVID-19 among trial volunteers. 162 occurred in the placebo group. Of the ten severe cases of illness, just one was in the…