As of Sept. 22, EEE has been confirmed in 32 animals in 13 counties – 30 equine and two deer. To date, there is one confirmed human case in Barry County. There is an EEE vaccine available for horses, but not for people. Protecting horses with approved EEE vaccines is an important prevention measure.
In an effort to prevent spread of Eastern Equine Encephalitis is conducting aerial mosquito control treatment in certain high-risk areas of Michigan. Spraying of two areas in Barry County was completed early Tuesday morning, September 22.
EEE is one of the most dangerous mosquito-borne diseases in the United States, with a 33 percent fatality rate in people who become ill. People can be infected with EEE from one bite of a mosquito carrying the virus. Persons younger than age 15 and over age 50 are at greatest risk of severe disease following infection. More than 25 percent of the nation’s EEE cases last year were diagnosed in Michigan. The risk of bites is highest for people who work and play outdoors in affected areas.
Update for Tuesday, September 22:
Aerial treatment to help prevent the spread of Eastern Equine Encephalitis resulted in more than 147,000 acres being treated in Blocks 1-1, 1-2, 2-1, 2-2, 4-3, 5-2, 5-3, 6-1 and 13-1. Block 12-1 in Calhoun was partially treated and will be on tonight’s schedule for completion. More than 373,000 acres have been treated to date.
The areas slated for treatment tonight are identified in the Aerial Treatment Zones Map and include:
- Blocks 3-1 and 3-2 in Oakland County and Block 3-3 in Livingston and Oakland counties.
- Block 11-1 in Livingston County.
- Block 12-1 in Calhoun County.
Please refer to the County-level Aerial Treatment Maps for more details of the identified zones’ locations.
Schedules are weather dependent and may change. The most up-to-date information will be posted here at Michigan.gov/EEE.