By April 17, the Michigan Department of Health and Human Services has confirmed a total of 43 nationwide measles cases and identified more than 100 exposure sites across the state.
The outbreak, which began in mid-March, resulted in 40 cases in Oakland County, one in Wayne County and one in the City of Detroit.
According to MDHHS, international travelers were diagnosed with measles after visiting Washtenaw County.
On the west side of the state, a person with the disease has confirmed having visited two places in Grand Rapids and a location in Lansing.
Below is an overview of the 104 known exposure species since 8 March. The measles virus can live up to two hours in the air in which an infected person was. Click on each item to display the date of the exposure. The latest websites are dark red.
The incubation period of measles from exposure to the prodrome – an early sign of symptoms – is 10-12 days on average. From exposure to rash the onset is on average 14 days with a range of 7 to 21 days.
The symptoms of measles typically begin with high fever, cough, runny nose, and red, watery eyes (conjunctivitis).