Data from the CDC suggest 2022-2023 flu shots have been effective across age groups, preventing severe disease and hospitalizations.

Officials urge vaccinations ahead of more severe flu season 02:03. For years, Jeri Stuart didn't get a flu shot. Now, the 54-year-old breast cancer survivor does not want to gamble with her health.

The absence of B/Yamagata won’t change the experience of getting this year’s flu shot, which the Centers for Disease Control and Prevention recommends to everyone over 6 months old.

But if you are young and healthy, “if the flu shot is available in your area, I would suggest to get it” now, said Dr. Jasmine Marcelin, an infectious disease physician at the University of ...