WI Health Department Announces First Reported Case of Measles News | August 4, 2025 | 0 | by Morgan McCarthy Wisconsin’s Department of Health Services is reporting the state’s first confirmed cases of measles in 2025. The department on Saturday reported that nine cases have been confirmed in Oconto County. All have been linked to out-of-state travel. Details on measles immunization can be found WITH AN EASY CLICK HERE.