9 Cases of Measles Confirmed in Wisconsin
OCONTO COUNTY, WISCONSIN, AUG 4 – All nine measles cases in Oconto County stem from a common out-of-state exposure amid Wisconsin’s low vaccination rates, with one in four patients likely to require hospitalization, officials said.
- Health officials in Wisconsin have identified nine measles cases in Oconto County, marking the state’s first outbreak of the disease in 2025.
- These cases originated from a common source linked to out-of-state travel amid Wisconsin's relatively low vaccination rate compared to national levels.
- Measles is extremely contagious and can be transmitted through airborne droplets that remain infectious for as long as two hours after an infected individual coughs or sneezes.
- Dr. Jasmine Zapata emphasized the state's vulnerability due to low vaccine coverage, with under 85% of kindergartners vaccinated versus the 93% threshold for herd immunity.
- Health officials are working to identify and notify potential exposures while assuring the public that the overall risk remains low despite the confirmed cases.
16 Articles
16 Articles
State health officials confirm first measles cases this year
The Wisconsin Department of Health Services (DHS) and Oconto County Public Health have confirmed nine cases of measles in Oconto County. One case was confirmed through testing at the Wisconsin State Laboratory of Hygiene, with eight additional cases confirmed based…
Measles has made it to Wisconsin. Here’s what to know about the virus.
Reading Time: 4 minutes Before the 1960s, hundreds of thousands of Americans faced measles infections each year. The advent of vaccination eliminated the disease in the United States by 2000. But outbreaks have returned to some U.S. communities as trust in vaccines wanes in many communities. More than 1,300 measles cases have been confirmed this year across 41 states, the latest being Wisconsin. That’s after the state Department of Health Servic…


9 cases of measles confirmed in Wisconsin
One case was confirmed through testing at the Wisconsin State Laboratory of Hygiene, with eight other cases confirmed based on exposure and symptoms, DHS officials said in a statement.
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