2 New Measles Cases Confirmed In MI

Two new measles cases have been confirmed in Michigan.

Health officials in Missaukee and Osceola each confirmed a measles case this month, Michigan's first measles case since May and its 16th overall in 2026.

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Health officials in both counties released few details about the cases and did not list any exposure sites.

Symptoms of measles usually begin within seven to 14 days after exposure and can appear up to 21 days after exposure. They include a high fever, cough, runny nose, red and watery eyes, tiny white spots on the inner cheeks and rashes, officials said.

If symptoms develop, residents are urged to not visit their doctor or emergency room unless they have called ahead so facilities can take precautions to prevent exposure to other people.

Health officials said a single dose of the MMR vaccine is roughly 93 percent effective at preventing measles; two doses are about 97 percent effective. The vaccine is also effective if given within 72 hours of exposure to help prevent illness.

According to the CDC, 91.6 percent of Michiganders in 2025 were vaccinated against measles, down from 92.1 percent the previous year.

"Measles spreads very easily, but it is also preventable," Central Michigan District Health Department Officer Taylor Irwin said. "The best protection is making sure you are up to date on your MMR vaccine. We encourage everyone to check their vaccination records and talk to their healthcare provider if they have questions."