REAL DUBUQUE NEWS (RDN)
Update: Southwest Wisconsin measles outbreak reaches 402 cases, spreads to Rock and Sauk counties
LOCAL NEWS WIRE • November 11, 2026
The Wisconsin Department of Health Services reports 402 confirmed or probable cases in the southwest Wisconsin outbreak as of Tuesday, with cases now reported in Rock and Sauk counties.
KEY FACTS & RECORD HIGHLIGHTS
- As of Tuesday, 402 confirmed or probable cases of measles had been reported in connection with the ongoing outbreak in southwest Wisconsin, the Wisconsin Department of Health Services reports.
- By county: Iowa County 97, Lafayette County 122, Grant County 153, Vernon County 14 and Richland County 1 confirmed or probable cases.
- New cases were also announced in two other counties in connection with the outbreak: 5 cases in Rock County and 10 cases in Sauk County.
- Grant County remains the hardest-hit county at 153 cases.
- The last update to this running story reported 551 confirmed cases statewide in Wisconsin, with 9 hospitalizations and 1 death in 2026.
The southwest Wisconsin measles outbreak has reached 402 confirmed or probable cases as of Tuesday, with cases now reported in two more counties, the Wisconsin Department of Health Services reports.
WGLR reported Wednesday that the outbreak total stands at 402 confirmed or probable cases. By county, Iowa County has 97 cases, Lafayette County has 122, Grant County has 153, Vernon County has 14 and Richland County has 1.
New cases were also announced in Rock County, with 5 cases, and Sauk County, with 10 cases, in connection with the outbreak. Grant County remains the hardest-hit county at 153 cases.
The last update to this running story reported 551 confirmed measles cases statewide in Wisconsin, with 9 hospitalizations and 1 death in 2026. The 402 figure is the confirmed-or-probable total for the southwest Wisconsin outbreak, not a statewide total.
Official Attribution: Official Public Record • Official Public Record