Eastern Equine Encephalitis or EEE was detected in mosquitoes from four mosquito pools collected last week in southern Addison County.
This was the first round of testing the Vermont Department of Health completed right here in Burlington.
Before that test samples were sent to New York.
With the recent discovery of West Nile in mosquitoes collected in Addison County; the virus is on everyone's radar.
And while pets rarely contract the disease, horses are at a slightly higher risk.
Johanna Hyyppa grew up around horses.