The U.S. took the unprecedented step Monday of dropping the number of vaccines it recommends for every child -- leaving other immunizations, such as flu shots, open to families to choose but without clear guidance. Officials said the overhaul to the federal vaccine schedule won’t result in any families losing access or insurance coverage for vaccines, but medical experts slammed the move, saying it could lead to reduced uptake of important vaccinations and increase disease.

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FILE - A vial of the measles, mumps and rubella vaccine is on display at the Lubbock Health Department, Feb. 26, 2025, in Lubbock, Texas. (AP Photo/Mary Conlon, File)

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Jamie Schanbaum, whose legs and fingers were amputated after she contracted meningitis as a college student, testifies in support of vaccine mandates at a public hearing held by the Florida Department of Health on Friday, Dec. 12, 2025 in Panama City Beach, Fla. (AP Photo/Kate Payne)

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Larry Downs of Pensacola, Fla., testifies against childhood vaccine mandates at a public hearing held by Florida’s Department of Health on Friday, Dec. 12, 2025 in Panama City Beach, Fla. (AP Photo/Kate Payne)

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FILE - Vaccines are advertised outside a pharmacy in Miami, Thursday, Sept. 4, 2025. (AP Photo/Rebecca Blackwell, File)