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Aerial treatment to combat Eastern Equine Encephalitis is underway

September 16, 2020
Contact: Lynn Sutfin, 517-241-2112

LANSING, Mich. – The first night of aerial treatment to combat Eastern Equine Encephalitis (EEE) is underway, the Michigan Department of Health and Human Services (MDHHS) has announced.

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

  • Blocks 4-1 and 4-2 in Montcalm County.
  • Blocks 9-1, 9-2, 9-3 and 9-4 in Clare County.

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

  • Block 5-1 in Kent County.
  • Block 6-1 in Newaygo, Oceana and Muskegon counties and Block 6-2 in Newaygo County.
  • Block 7-1 in Mecosta County.
  • Block 8-1 in Mecosta and Isabella counties.
  • Block 10-1 in Ionia County.

Please refer to the County-level Aerial Treatment Maps for more details of the identified zones’ locations. These schedules are weather dependent and may change. The most up-to-date information will be posted at

All other treatment blocks in Barry, Jackson and Oakland counties will not be treated this evening.

For more information about EEE, visit