The updated boosters are called “updated” because they protect against both the original virus that causes COVID-19 and the Omicron variant BA.4 and BA.5. Two COVID-19 vaccine manufacturers, Pfizer and Moderna, have developed updated COVID-19 boosters. Updated COVID-19 BIVALENT boosters became available on: September 2, 2022, for people aged 12 years and older October 12, 2022, for people aged […]