After a lengthy meeting that ran over seven hours, the Advisory Committee on Immunization Practices (ACIP) voted to no longer recommend the combined measles, mumps, rubella and varicella (MMRV) vaccine as an option for children younger than 4.

The vote was 8-3 with one abstention.

The vote on updates to the hepatitis B vaccine schedule is scheduled to occur tomorrow after extensive discussion today and confusion over why this update was being considered. Many ACIP members and agency commentators expressed concern regarding the hepatitis B vote, which may change the recommendation from children should be vaccinated against hepatitis B at birth to vaccination when they are one month old.

ACIP is in the spotlight because HHS Secretary Robert Kennedy Jr.'s views questioning the safety and e

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