The U.S. Department of Health and Human Services (HHS), in collaboration with the Department of Defense (DOD), announced an agreement to purchase more than 100 million doses of Pfizer’s COVID-19 vaccine for a fall vaccine campaign. The contract announcement follows a June 28, 2022 meeting of the U.S. Food and Drug Administration’s (FDA) Vaccines and Related Biological Products Advisory Committee, which recommended the inclusion of an Omicron component for COVID-19 booster vaccines in the U.S.