Vaccine debate heats up as officials weigh splitting combined MMR into single doses

Fox NewsWednesday, October 8, 2025 at 5:41:32 PM
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Vaccine debate heats up as officials weigh splitting combined MMR into single doses
The ongoing debate over the MMR vaccine has intensified as HHS Deputy Secretary Jim O'Neill proposed splitting it into separate doses for measles, mumps, and rubella. Medical experts and the vaccine manufacturer Merck have strongly opposed this suggestion, emphasizing the importance of the combined vaccine in ensuring public health. This discussion is crucial as it impacts vaccination strategies and public confidence in immunization.
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