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CDC Says 36% Of Adults Have Received 1 Dose Of Vaccine

The study looked at 4,000 health care workers and first responders over a period from mid-December to mid-March.
Posted at 8:31 AM, Mar 30, 2021
and last updated 2021-03-30 10:31:00-04

More than 36% of adults in the U.S. have at least one dose of a COVID vaccine. 

And some good news yesterday about the effectiveness of just that first shot. 

Vaccines from Pfizer and Moderna reduced the risk of infection from the virus by 80% two weeks after the first dose, according to a new study. That goes up to 90% two weeks after the second shot. 

The study looked at 4,000 health care workers and first responders over a period from mid-December to mid-March. 

Health officials stress you should get both doses if you get either of these vaccines. 


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