 
Jamestown Canyon Virus Found During Kent County Mosquito Surveillance
GRAND RAPIDS, Mich. (July 15, 2024) - The Jamestown Canyon virus has been detected in tested mosquitoes in Kent County. This finding is not a human case. The discovery was made during ongoing surveillance and testing conducted by the Kent County Health Department (KCHD) in the 49504 ZIP code.
Jamestown Canyon virus is spread to people by infected mosquitoes, with most cases occurring from April through September. While the virus has been detected throughout much of the United States, Minnesota and Wisconsin have reported more than half of all cases to date.
Fever, headache, and fatigue are common symptoms with the Jamestown Canyon virus. While it is rare, the virus can cause severe disease, including infection of the brain (encephalitis) or the lining around the brain (meningitis). There are no vaccines or medications to prevent or treat Jamestown Canyon virus infection. To reduce your risk of infection, avoid mosquito bites.
“Fortunately, the measures that people can take to protect themselves from other mosquito borne illnesses will work against the Jamestown Canyon virus,” says Brendan Earl, Supervising Sanitarian at KCHD. “With the increase in mosquito activity this time of year, it is good to practice simple and proven steps to prevent mosquito bites.”
The KCHD recommends residents take the following preventive measures:
- Wear a mosquito repellent that contains at least 10 to 35 percent DEET (read and follow product directions)
- Wear light colored and long-sleeved shirts and pants
- Stay indoors during dusk to reduce your risk of being bitten
- Remove or refresh water in bird baths, children’s wading pools, water bowls for your pets, and empty other small containers that can collect water in your yard
- Ensure window screens are in good repair
More information about prevention can be found at: https://www.accesskent.com/Health/Environmental/vector.htm.
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