FDA shortens timing of Moderna booster to five months

January 07, 2022
Pharmacist Kenni Clark prepares a booster dose of the Moderna COVID-19 vaccine during a vaccination clinic at City of Lawrence's "The Center," which serves seniors, families and the community, Wednesday, December 29, 2021, in Lawrence, Massachusetts. US regulators, on Friday, January 7, 2022, are shortening the time that people who received Moderna's COVID-19 vaccine have to wait for a booster — to five months rather than six. The Moderna vaccine is open to Americans 18 and older.(AP Photo/Charles Krupa, File)

WASHINGTON (AP) — United States regulators on Friday shortened the time that people who received Moderna’s COVID-19 vaccine have to wait for a booster — to five months rather than six.

The two-dose Moderna vaccine is open to Americans 18 and older.

The Food and Drug Administration’s decision Friday means Moderna recipients are eligible for a booster after at least five months have passed since their last shot. The Centers for Disease Control and Prevention agreed.

That’s in line with new recommendations for recipients of the Pfizer vaccine. Initial Pfizer vaccinations are open to anyone five or older. 

But only Pfizer recipients 12 and older are eligible for boosters, and earlier this week US health authorities said they can get one five months after their last shot.

In a statement, FDA vaccine chief Dr Peter Marks called vaccination “our best defence against COVID-19” and said a shortened wait for a booster may help as the country battles a surge of the highly contagious omicron variant.

A booster after receiving the single-dose Johnson & Johnson vaccine already is urged two months later.

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