Cases of mosquito-borne disease suspected in Michigan residents
Eastern Equine Encephalitis continues to be a threat in Southwest Michigan
- Apply insect repellents that contain 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.
- Wear long-sleeved shirts and long pants when outdoors. Apply insect repellent to clothing to help prevent bites.
- Maintain window and door screening to help keep mosquitoes outside.
- Empty water from mosquito breeding sites around the home, such as buckets, unused kiddie pools, old tires or similar sites where mosquitoes may lay eggs.
- Use nets and/or fans over outdoor eating areas.
Signs of EEE include the sudden onset of fever, chills, body and joint aches. Symptoms of California encephalitis virus include fever, headache, nausea, vomiting, fatigue and lethargy.
Both diseases can develop into severe encephalitis, resulting in headache, disorientation, tremors, seizures and paralysis. Permanent brain damage, coma and death may also occur in some cases.
Additionally, West Nile Virus activity in Michigan has increased in wildlife and mosquito populations. Health officials have identified 18 positive mosquito pools and eight infected birds in the Lower Peninsula. No human cases of West Nile Virus have been reported. Mosquito-borne illness will continue to be a risk in Michigan until late fall when nighttime temperatures consistently fall below freezing.
For more information about mosquito-borne diseases, visit Michigan.gov/emergingdiseases.
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