A new case of measles has been confirmed in Marathon County. This brings the total number of cases to 164 as of September 15. The case is part of a larger outbreak in southwestern Wisconsin, where the number of cases has risen to over 155.

The Wisconsin Department of Health Services has been tracking the outbreak and confirmed the new case. Further details about the outbreak and the new case are available from the department.

For more information on the measles outbreak, including the latest case numbers and updates, readers can consult the Wisconsin Department of Health Services.