Acting CDC director says to break up MMR shot

The HillTuesday, October 7, 2025 at 10:42:16 PM
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Acting CDC director says to break up MMR shot
The acting CDC director, Jim O'Neill, has sparked concern by suggesting that the MMR vaccine, which protects against measles, mumps, and rubella, should be administered as three separate shots instead of one combination vaccine. This proposal has alarmed many in the scientific community, as it could lead to decreased vaccination rates and increased outbreaks of these preventable diseases. The MMR vaccine has been a cornerstone of public health for decades, and any changes to its administration could have significant implications for community health.
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