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![highbrow_nobrow Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::4018888580.png) The Intellectualist [@highbrow_nobrow](/creator/twitter/highbrow_nobrow) on x 262.1K followers
Created: 2025-07-09 21:01:45 UTC

MMR vaccination rates among U.S. kindergarteners have fallen below herd immunity in hundreds of counties from 2022–24, per a Feb 2025 study. Hotspots include Wisconsin and Gaines County, TX, where rates dip under 80%, raising risk of measles outbreaks.

![](https://pbs.twimg.com/media/GvccY12WkAAyuZS.jpg)

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**Related Topics**
[dip](/topic/dip)
[rates](/topic/rates)

[Post Link](https://x.com/highbrow_nobrow/status/1943052979482828857)