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Measles Outbreak Surges in Arizona-Utah; Vaccination Urged

9/24/2025

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Summary

Story summary

Measles outbreak grows along the Arizona–Utah border, with over 30 cases in Mohave County and 25 in Southwest Utah.
Most infected are unvaccinated children.
The Measles, Mumps, Rubella (MMR) vaccine is 97% effective; doses are at 12-15 months and 4-6 years.
Measles can cause complications; CDC says herd immunity requires 95% vaccination, while 92.7% of U.S. kindergarten students are vaccinated.

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Story summary

Measles outbreak grows along the Arizona–Utah border, with over 30 cases in Mohave County and 25 in Southwest Utah.
Most infected are unvaccinated children.
The Measles, Mumps, Rubella (MMR) vaccine is 97% effective; doses are at 12-15 months and 4-6 years.
Measles can cause complications; CDC says herd immunity requires 95% vaccination, while 92.7% of U.S. kindergarten students are vaccinated.