Breaking news: FDA recommends inclusion of BA.4, BA.5 subvariants in COVID boosters

FDA recommends inclusion of BA.4, BA.5 subvariants in COVID boosters The U.S. Food and Drug Administration on Thursday recommended booster doses of COVID-19 vaccines be modified to include components that are tailored to combat the Omicron BA.4 and BA.5 subvariants beginning this fall. Reuters Reuters

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The FDA said it has not advised manufacturers to change the vaccine for the primary vaccination series, saying the coming year will be "a transitional period when this modified booster vaccine may be introduced".

The decision follows a recommendation by the agency's outside advisers to change the design of the shots this fall in order to combat more recently circulating variants of the coronavirus. read more