AdvertisementIt's not too late to get a COVID booster — especially for older adults03:47Download AudioResumeDecember 28, 2022Selena Simmons-DuffinfacebookEmailBivalent COVID-19 vaccines are readied for use at a clinic in Richmond, Va., Nov. 2022. Just 15% of eligible Americans have gotten the most recent booster shot, according to the CDC. (Steve Helber/AP)
