Moderna and Pfizer booster shots updated to target Omicron coronavirus subvariants could be available in early fall, pending signoff by federal health agencies, the US Department of Health and Human Services said Friday.
HHS announced Friday an agreement to purchase 66 million doses of Moderna’s bivalent booster shot for potential use in fall and winter. That’s in addition to 105 million bivalent boosters the US government has purchased from Pfizer.
In late June, vaccine makers said boosters updated to target Omicron showed a stronger immune response than the current vaccines
