News Flash

Rochester News

Posted on: September 15, 2020

Aerial Treatment Planned of County to Combat Deadly Mosquito-Borne Disease

mosquito eee

In an effort to prevent spread of Eastern Equine Encephalitis (EEE), the Michigan Department of Health and Human Services has announced plans to conduct aerial mosquito control treatment in certain high-risk areas of Michigan, including Oakland County.

Treatment is scheduled to occur starting the evening of Wednesday, Sept. 16. over Brandon Township part of Oakland County. However, treatment can only take place under certain weather conditions, so the schedule may need to change. Residents are encouraged to visit for up-to-date information.

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. Aerial treatment will be conducted in the nighttime hours as this is when mosquitoes are more active. Aerial treatment is conducted by specialized aircraft, beginning in the early evening and continuing up until the following dawn. State-certified mosquito control professionals will apply an approved pesticide as an ultra-low volume (ULV) spray. ULV sprayers dispense very fine aerosol droplets that stay suspended in the air and kill adult mosquitoes on contact.

Although the aerial treatment is considered necessary to reduce human risk, it will not eliminate it. Residents must continue to protect themselves from mosquito bites by:

  • Avoid being outdoors from dusk to dawn when mosquitoes carrying the EEE virus are most active.
  • Applying insect repellents containing the active ingredient DEET, or other U.S. Environmental Protection Agency-approved product to exposed skin or clothing, and always follow the manufacturer’s directions for use.
  • Wearing long-sleeved shirts and long pants when outdoors. Apply insect repellent to clothing to help prevent bites.
  • Maintaining window and door screening to help keep mosquitoes outside.
  • Emptying water from mosquito breeding sites around the home, such as buckets, unused kiddie pools, old tires or similar sites where mosquitoes may lay eggs.
  • Using nets and/or fans over outdoor eating areas.

The full press release from the Michigan Department of Health and Human Services can be viewed here:,5885,7-339--539512--,00.html 

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