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 vaccine group.

The vaccine was also well-tolerated and consistently effective across different age and racial groups

The companies plan to submit an application for an emergency use authorization within days.

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