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US Authorizes ‘Mix And Match’ Covid Vaccine Boosters, Says Regulator

The US Food and Drug Administration said it has determined that the known and potential benefits of the use of a single heterologous booster dose outweigh the known and potential risks of their use in eligible populations.

Washington: 

The US Food and Drug Administration (FDA) on Wednesday authorized using a so-called “mix and match” strategy for people who require a booster shot of a Covid vaccine after their primary series.

“The FDA has determined that the known and potential benefits of the use of a single heterologous booster dose outweigh the known and potential risks of their use in eligible populations,” the agency said in a statement.

The Pfizer, Moderna, and Johnson & Johnson vaccines are authorized in the United States. A single dose of any of them may now be used following completion of primary vaccination with a different Covid vaccine.

According to the new decision, people who received two Moderna shots initially and are 65 or older, over 18 and at high risk for Covid, or over 18 and have high occupational exposure, may now receive a booster.

All adults who received the one shot J&J vaccine more than two months ago are also eligible for a booster.

Previously, only immune compromised people or people who belonged to elderly or high risk groups and had received the Pfizer vaccine initially were eligible for a boost.

The data supporting the decisions come from emerging research reviewed by the FDA.

News Credit: NDTV.com

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