Credit: HINES, ILLINOIS - APRIL 01: A nurse administers a second COVID-19 booster shot to a patient at Edward Hines Jr. VA Hospital on April 01, 2022 in Hines, Illinois. Earlier this week the CDC updated its recommendations to encourage a second COVID-19 booster shot for certain immunocompromised individuals and people over the age of 50 who received an initial booster dose at least 4 months ago. (Photo by Scott Olson/Getty Images)
When people should consider getting new bivalent, updated booster shot
