https://apnews.com/90175dd9277dc4bec6b6699c8f14e6f0

John Wherry will wait until later in the fall to consider getting an updated COVID-19 booster. The University of Pennsylvania immunologist knows it's too soon after his shot late this summer, especially since he's not at high risk from the virus.

It’s the kind of calculation many Americans will face as booster shots that target currently circulating omicron strains become available to a population with widely varying risks and levels of immunity.