In a historic vote, the Centers for Disease Control and Prevention's vaccine advisers recommended narrowing the agency's hepatitis B immunization guidance for newborns.

The result, if approved by the CDC's acting director, will be a rollback of a universal recommendation to start hepatitis B immunization at birth, a standard practice in the U.S. for more than 30 years that has been credited with dramatically lowering liver diseases caused by the virus.

The Advisory Committee on Immunization Practices, or ACIP, voted 8-3 to recommend hepatitis B at birth only for infants born to women who test positive for the virus that attacks the liver. Women whose hepatitis B status is negative or unknown should talk with their doctors about vaccination, the recommendation says.

The changes were made

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