WASHINGTON — The Centers for Disease Control and Prevention late Thursday signed off on the approval from the agency’s independent vaccine advisers that recommended an updated coronavirus vaccine booster this fall.

The CDC recommended boosters from Pfizer-BioNTech for those who are 12 years old and older and from Moderna for those who are 18 and older. These are known as “bivalent” vaccines because they are formulated to protect against the original coronavirus strain as well as the omicron variant, which is highly contagious.

“Updated COVID-19 boosters add Omicron BA.4 and BA.5...