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Share of US Counties where 95% of Kindergarteners are vaccinated against Measles drops to 28% from 50% in Washington Post Investigation of 44 states December 2025. 95% vaccination rate is what experts say is needed for "herd immunity" or overall protection in a class. Washington Post examination of data shows marked deterioration from 2018-2019 school year to 2024-2025 school year data and public records. That is 5.3 million children are exposed from lack of herd immunity from measles now compared to 3.5 million children earlier increase of 1.8 million children. This Wash. Post investigation shows 19,000 schools are exposed and one can go to this article to find on a map how your school district and country are doing in the 44 states.

A big problem is emerging from public skepticism and politics in vaccination. For generations schools required vaccination proof- by 1980 all 50 states had laws covering students first entering school. And caught in vaccine politics legislatures are creating religious and other exemptions that have weakened laws. Wash. Post says it's examination shows not a single County in Idaho, Louisiana, Oregon Tennessee, Utah, and Wisconsin meet the 50% vaccinated requirement for measles required for herd immunity. This could mean more of these diseases will be brought back home including whooping cough to affect elderly and infants. Democratic districts such as in St Louis and Chicago also see drop in measles vaccination rates.

In the sense that newly decolonized countries since 1950 such as China and India have emerged with good health systems and mandated vaccination , other public health action, there is a great need for the US to focus on bringing back the public awareness that existed after the 1940's in the US that resulted in significant advances in public health in the US in the FDR, Eisenhower, Kennedy, LBJ and Reagan administrations. It shows there is no victory in public health. A lot of work needs to be done, as much of the gains can get undone by events and public awareness is necessary. As pharmaceuticals, chemicals and plastics and bad nutritional habits took over American lives there is an effort under Kennedy at HHS to tackle that health crisis, but it brings with it challenges that date from the pandemic and different responses in different parts of the US to mandatory vaccination which also have to be met through education not social media.