NPR News: The U.K. approved omicron-specific booster shots. They're coming to the U.S. soon

The U.K. approved omicron-specific booster shots. They're coming to the U.S. soon
In the U.S., officials have asked vaccine makers to target BA.5, rather than the original omicron strain. That has delayed the boosters' development — but officials hope they will be more effective.

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