MILWAUKEE, Wis. (WFRV) – Officials in Wisconsin say a person who traveled through Milwaukee Mitchell International Airport has a confirmed case of measles.
According to the Department of Health Services, the case is linked to a confirmed case in another state and it comes as the Wisconsin Wastewater Monitoring Program detected the disease in untreated wastewater out of Walworth County.
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Health officials are actively working to identify and notify people who may have been exposed, specifically citing the following:
- People who traveled on Flight WN 266 from Phoenix to Milwaukee on January 29, 2026
- People present at Milwaukee Mitchell International Airport on January 29, 2026, from 10:31 p.m. to 12:31 a.m.
Anybody who may have been exposed should immediately contact a doctor and stay home.






