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US begins study testing mix-and-match Covid vaccine booster shots

#COVID19 #COVIDvaccine #coronavirus


The @NIH has started an early stage clinical trial looking at what happens when an adult who is fully vaccinated with one type of #COVID19 vaccine, like Pfizer’s, is boosted with a different shot about 3 to 4 months later.

The trial will include about 150 adults who have received one of the three Covid vaccine regimens currently available under the Food and Drug Administration’s emergency use authorization: Johnson & Johnson’s, Moderna’s or Pfizer’s.

Federal health officials said people who have not yet received an authorized vaccine are also eligible to enroll in the trial in a separate group. Those volunteers will receive two doses of Moderna’s vaccine and will be assigned to receive a booster dose of one of the three vaccines about 12 to 20 weeks later, officials said.

Read more at:

https://www.cnbc.com/2021/06/01/booster-shot-us-begins-study-testing-mix-and-match-covid-vaccine-doses.html




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