Wisconsin Department of Health Services
Press Release

Update on Measles Outbreak in Southwest Wisconsin

 

By - Aug 21st, 2026 02:18 pm

The Wisconsin Department of Health Services (DHS) has updated the number of measles cases associated with the outbreak in Grant, Iowa, and Lafayette Counties.

There are now a total of 41 confirmed and 7 probable cases associated with this outbreak.

Grant County: 2 confirmed cases (No change from last report)

Iowa County: 35 confirmed cases and 0 probable (One new case)

Lafayette County: 4 confirmed cases and 7 probable (4 new probable cases)

No public exposures have been reported.

The MMR vaccine is the best protection against the measles and people are encouraged to check their vaccination status on the Wisconsin Immunization Registry or contact their local health department or health care provider to check if they have had the vaccine.

Please continue to monitor the DHS Measles Dashboard and Outbreaks and Investigations webpage for the latest information.

NOTE: This press release was submitted to Urban Milwaukee and was not written by an Urban Milwaukee writer. While it is believed to be reliable, Urban Milwaukee does not guarantee its accuracy or completeness.

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