FDA advisers endorse updating COVID vaccines to target latest omicron strain

The Centers for Disease Control still must recommend how to use the Novavax vaccine before shots begin. The U.S. has bought 3.2 million doses.

Advisers to the U.S. government are recommending that COVID-19 booster shots used this fall be modified to better match more recent variants of the coronavirus.

It's a protein vaccine, a more conventional technology than the dominant Pfizer and Moderna shots, and the lesser-used Johnson & Johnson option.