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Second Child Dies from Measles in Southwest Wisconsin as Outbreak Reaches 649 Cases
A second child in Grant County has died from measles, marking the second fatality in Wisconsin's worst outbreak in over 35 years. State health officials report 649 cases across 20 counties since August, with no cases yet in Milwaukee County.
MADISON, Wis. â A second child has died from measles in Grant County, the Wisconsin Department of Health Services confirmed Thursday, as the state grapples with its most severe measles outbreak in more than three decades.
The death follows the passing of an infant earlier this month, also in Grant County. Both fatalities are linked to an outbreak that has now sickened 649 people across 20 counties since August 2026, according to DHS data updated Nov. 13. That case count represents the highest number of measles infections recorded in Wisconsin in over 35 years.
Health officials have not released the age or identity of the most recent victim, citing privacy concerns. The earlier infant death was the first measles-related fatality in the state since 1990.
While the outbreak has spread across a wide swath of Wisconsin, Milwaukee County has so far reported no confirmed cases. Still, public health experts caution that the virus's highly contagious nature means the risk is not contained to any single region.
Measles is a vaccine-preventable disease that can cause severe complications, especially in young children, including pneumonia, encephalitis, and death. The virus spreads through the air when an infected person coughs or sneezes and can linger in a room for up to two hours after the infected person has left.
The outbreak's persistence and the two child deaths underscore the importance of maintaining high vaccination rates. The measles-mumps-rubella (MMR) vaccine is safe and effective, with two doses providing about 97% protection against measles.
DHS continues to urge residents to check their vaccination status and to contact their healthcare provider if they suspect exposure. The department has not announced any new public exposure sites in connection with the latest death.
Local health departments in affected counties are working with DHS to conduct contact tracing and to offer vaccines to those who may have been exposed. Community vaccination clinics have been organized in several counties, though specific locations were not immediately available.
As the outbreak enters its fourth month, health officials are reiterating that vaccination is the best defense against further spread. Parents of unvaccinated children are encouraged to schedule vaccinations promptly.
This is a developing story. Check back for updates.