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Measles detected in Louisville wastewater
21 Jul
Summary
- Measles was detected in Louisville wastewater between July 6-14.
- No measles cases have been reported since January 2026.
- Measles is a vaccine-preventable disease for children.

Measles has been detected in Louisville's wastewater, with evidence found between July 6-14. The Kentucky Department for Public Health confirmed these findings through routine sewage surveillance.
While this indicates the presence of the virus in the community, no measles cases have been officially reported to health officials in Kentucky since January 2026. In that month, four cases were confirmed in Jessamine County.
Health officials stress that measles is a highly contagious but vaccine-preventable disease. They recommend a two-dose measles, mumps, and rubella (MMR) vaccine schedule for children, with the first dose given between 12-15 months and the second between 4-6 years old. The department will update its online dashboard with any new confirmed cases.