FDA asks COVID-19 vaccine makers to update boosters to target new Omicron variants

The Food and Drug Administration has asked COVID-19 vaccine makers to update booster shots to tackle newer Omicron variants that are on the rise. It says the manufacturers should add a spike protein component to shots to target the Omicron BA.4 and BA.5 variants in addition to the original strain.

An “overwhelming majority” of the FDA’s advisory committee voted this week in favor of updating shots with an Omicron component, in the hopes of starting to use those modified boosters in the fall. The advisory is only for booster shots and not primary inoculations.

Vaccine makers are essentially playing whack-a-mole with the various strains of COVID-19. Pfizer and Moderna

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