If you’re touring to Michigan with a child underneath one 12 months previous, state well being officers need you to behave earlier than your journey.
The Michigan Division of Well being and Human Providers (MDHHS) issued an emergency suggestion in April requiring infants ages 6 to 11 months to obtain an accelerated first dose of the MMR vaccine in the event that they dwell in — or plan to journey to — affected counties in southeast Michigan.
Which Counties Are Affected
The seven counties named within the advisory are Washtenaw, Monroe, Wayne, Oakland, Jackson, Livingston and Lenawee. Wayne County consists of Detroit. Oakland County borders it to the north. Collectively, these counties cowl probably the most visited corridors within the state — and essentially the most densely populated.
Seven of Michigan’s eight confirmed measles circumstances in 2026 originated in Washtenaw County. The eighth, in neighboring Monroe County, couldn’t be linked to the unique outbreak or to any current journey — a element that alarmed state well being officers, because it suggests unbiased neighborhood unfold.
“Measles is extremely transmissible and we are actually seeing attainable unfold exterior the preliminary outbreak in Washtenaw County,” stated Dr. Natasha Bagdasarian, Michigan’s Chief Medical Government.
What Vacationers Must Know
The emergency suggestion stays in impact till Could 16, 2026 — two full incubation intervals after the final recognized case. The usual MMR schedule offers the primary dose at 12–15 months. Infants vaccinated early underneath this advisory will nonetheless want two further doses after their first birthday to finish the complete collection.
Well being officers additionally flagged a lesser-known danger for older vacationers: adults vaccinated between 1963 and 1967 could have obtained a much less efficient model of the vaccine and will converse to their physician earlier than visiting affected areas.
“Measles is an especially harmful, extremely contagious virus, and outbreaks like this one are a stark reminder of how shortly it will probably put weak folks in danger,” stated Dr. Latonya Riddle-Jones of the Michigan State Medical Society. “Dad and mom in affected areas ought to pay shut consideration to this up to date steering.”
Anybody visiting the seven counties who develops fever, rash, cough or pink eyes inside 21 days of publicity ought to name a healthcare supplier earlier than going to a clinic or emergency room to keep away from exposing different sufferers.
Sources: Michigan Division of Well being and Human Providers, April 2026 · Axios Detroit, “Michigan docs urge early measles vaccination for infants amid outbreak,” April 20, 2026
