Omicron-based coronavirus booster shots will roll out this fall

This fall, vaccine makers will begin rolling out coronavirus booster vaccines better tailored to fight the current phase of the pandemic.

Two days after outside experts voted in favor of a new vaccine adapted to protect against omicron, the Food and Drug Administration announced that the fall shots would include a component from BA.4 and BA.5, the omicron subvariants gaining ground in the United States.