News FDA panel supports J&J COVID-19 vaccine booster shot for all Americans who got a first dose October 15, 2021October 15, 2021 Elizabeth Weise and Karen Weintraub, USA TODAY Comments Off on FDA panel supports J&J COVID-19 vaccine booster shot for all Americans who got a first dose In an unanimous vote, a federal advisory committee supported boosters of the J&J vaccine for all adults at least two months after a single shot.