DETROIT — Oakland County confirmed Michigan's first measles case of 2025 on Friday, county executive spokesman Bill Mullan said.

The case is associated with recent international travel and there are possible exposures, Mullan said. No additional information was available Friday afternoon.

The Michigan Department of Health and Human Services confirmed at least six measles cases in 2024, and four have been reported so far in 2025, according to the Michigan Disease Surveillance System's most recent weekly report. The report's data is provisional as cases are investigated and either confirmed or ruled out.

The Centers for Disease Control and Prevention have confirmed 301 measles cases in the United States in 2025. There have been three measles outbreaks, or three or more related cases, accounting for 93% of cases this year. One outbreak in Texas infected over 145 people and led to the death of a school-aged child.

Of the U.S. cases this year, 95% of those infected did not receive the measles vaccine, according to the CDC.

Measles is a highly contagious virus that can cause fever, cough, a runny nose, red watery eyes, and a rash, according to the CDC. It can cause serious complications like pneumonia and encephalitis. Children under the age of five and anyone without the measles vaccine are most vulnerable, according to the CDC.

Symptoms can appear between seven and 14 days after infection, starting with a cough, fever, runny nose, and watery eyes. Small white spots in the mouth called Koplik spots may appear within a few days, followed by a measles rash of red spots, according to the CDC.

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