An aerial spraying program to control mosquitos that might spread eastern equine encephalitis has ended for now, with more than 462,000 acres sprayed.
State health leaders said Thursday, Sept. 24 that spraying in parts of 17 counties was completed on Wednesday.
So far in Michigan, testing has confirmed one positive human case of EEE in Barry County, a suspected human case in Montcalm County, as well as 30 horses and two deer across several areas of lower Michigan.
“Aerial treatment was important to protect the health and safety of Michiganders,” Dr. Joneigh Khaldun, chief medical executive at the Michigan Department of Helath and Human Services said in written statement. “We continue to urge communities and residents to take precautions against mosquito bites as the risk of EEE remains until the first hard frost.”
According to health experts, the disease has a 33 percent fatality rate for people who become ill.
The state sprayed with Merus 3.0, the same chemical used in 2019 spraying. It contains 5 percent pyrethrins, a botanical insecticide extracted from chrysanthemum flowers, and is labeled for public health use over residential areas.
State health officials say no additional treatments are planned so far, but that could change if new animal or human cases are identified.
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