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Aerial treatment to resume in several counties tonight New pony and deer cases bring total EEE animal cases to 32

September 21, 2020
Contact: Lynn Sutfin, 517-241-2112

LANSING, Mich. – Aerial treatment to protect Michiganders from Eastern Equine Encephalitis (EEE) has resumed tonight, announced the Michigan Department of Health and Human Services (MDHHS).

Areas slated for treatment tonight are identified in the Aerial Treatment Zones Map and include:

  • Blocks 1-1 and 1-2 in Barry County.
  • Block 4-3 in Montcalm County.
  • Blocks 5-2 and 5-3 in Kent County.
  • Block 6-1 in Newaygo, Oceana and Muskegon counties.
  • Block 13-1 in Allegan County.

If time and weather permit, the following areas will also be treated:

  • Blocks 2-1 and 2-2 in Jackson County.
  • Block 3-1 and 3-2 in Oakland County.
  • Block 11-1 in Livingston County.
  • Block 12-1 in Calhoun County.

“Even though we have had cooler temperatures in the evenings, Michiganders need to continue taking precautions against mosquito bites as mosquitoes will remain active until there is a hard freeze for an extended period of time,” said Dr. Joneigh Khaldun, chief medical executive and chief deputy for health at MDHHS. “We are continuing to see animal cases of EEE rise, increasing the urgency for treatment to continue as we know the mosquitoes carrying this potentially deadly virus are still active in our state.”

A pony has been confirmed to have EEE in Oakland County, bringing the total to 30 cases of EEE in equine. Additionally, a second deer in Ionia County has been diagnosed with EEE, bringing the total to two cases of EEE in deer. Impacted counties are Allegan, Barry, Calhoun, Clare, Ionia, Isabella, Jackson, Kent, Livingston, Mecosta, Montcalm, Newaygo and Oakland. A Barry County resident has also been confirmed with EEE.

Please refer to the County-level Aerial Treatment Maps for more details of the identified zones’ locations.  For more information about EEE, visit

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