Cass County reports two measles cases linked to international travel

May 13, 2025

North Dakota Health and Human Services (HHS) reported two new measles cases in Cass County, bringing the state’s total to 11 cases in 2025. According to HHS, both individuals were unvaccinated and contracted measles during international travel. One individual has been hospitalized. The Cass County cases are not connected to previously reported cases in Williams County.

Public exposure may have occurred at two Fargo-area clinics: Essentia Health – The Lights West Fargo Clinic on May 7 and Essentia Health Walk-in Care on 52nd Avenue on May 9. HHS and Essentia Health are identifying individuals who may have been exposed. Vaccinated individuals do not need to quarantine but should monitor for symptoms for 21 days. Unvaccinated individuals should quarantine and monitor for symptoms. Early vaccination is not currently recommended for infants in Cass County due to the travel-related nature of the cases, according to HHS.

1.North Dakota Health and Human Services.

1.North Dakota Health and Human Services.

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