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FDA asks for COVID vaccine producers to update boosters

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  • Staff Report 

In response to the increasing prevalence of the XBB.1.5 variant, the Food and Drug Administration (FDA) has called on drug manufacturers to update their COVID-19 booster shot formulas.


The FDA’s advisory followed a meeting of the Vaccines and Related Biological Products Advisory Committee, where members identified the need for the update as this new variant accounts for approximately 40% of new cases in the U.S.

The FDA statement advises manufacturers to develop a monovalent XBB.1.5 composition for the vaccines.

Major vaccine providers Pfizer-BioNTech, Moderna, and Novavax have already begun the update process, with the aim of having the improved booster shots ready for distribution in September, in line with the new flu vaccine release.



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