Nine Measles Cases Reported in Williams County

The North Dakota Health and Human Services has reported five additional measles cases in Williams County, bringing the state’s total to nine cases in 2025. All individuals with new cases were unvaccinated and isolated at home to prevent further spread. People who visited Williston Walmart on April 29 between 2 p.m. and 5 p.m. may have been exposed and are advised to monitor for symptoms.

Affected schools in Williston will temporarily exclude unvaccinated students and staff who are not immune. To help curb the outbreak, the HHS recommends MMR vaccination for all residents and travelers in the area. Vaccination clinics will be held on May 8 and 9 in Williston. For more information, visit hhs.nd.gov/measles.