Health
CDC Study Shows Pfizer, Moderna Vaccines to be Highly Effective in ‘Real World’ Conditions – Voice of America
A study released Monday by the U.S. Centers for Disease Control (CDC) shows mRNA vaccines produced by Pfizer-BioNTech and Moderna are highly effective at preventing…

A study released Monday by the U.S. Centers for Disease Control (CDC) shows mRNA vaccines produced by Pfizer-BioNTech and Moderna are highly effective at preventing COVID-19 in real world conditions.
The study was conducted among nearly 4,000 health care workers, first responders, and other essential workers in six states between December 14 and March 13. The results showed the risk of infection was reduced by 80 percent after one dose and 90 percent after two doses.
Speaking during a White House…
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