What you need to know about mix-and-match COVID-19 boosters

A sign displays the types of COVID-19 vaccination doses available at a Walgreens mobile bus clinic on June 25, 2021 in Los Angeles, California.
A sign displays the types of COVID-19 vaccination doses available at a Walgreens mobile bus clinic on June 25, 2021 in Los Angeles, California. Photo credit Mario Tama/Getty Images
By , KCBS Radio

The U.S. Food and Drug Administration reportedly is expected to approve boosters of the Moderna and Johnson & Johnson COVID-19 vaccines this week. The agency will likely, in turn, allow Americans to receive a different booster than the dose they initially received.

That doesn't mean Pfizer and Moderna recipients are likely to receive the opposite mRNA vaccine as a third dose, according to Dr. Amesh Adalja, Senior Scholar at the Johns Hopkins Center for Health Security. Rather, Johnson & Johnson recipients would be cleared to receive a dose of the Moderna vaccine.

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What you need to know about mix-and-match COVID-19 boosters