Arboviral Surveillance

Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV) are arboviral illnesses spread by the bite of an infected mosquito. Mosquito, animal, and human specimens are tested for the presence of EEE and WNV at Maine's Health and Environmental Testing Laboratory (HETL). Animal specimens may also be tested through the National Veterinary Services Laboratory (NVSL). The state of Maine organizes routine mosquito trapping at selected sites, and routinely tests those mosquitoes for disease. The mosquito trapping season runs from July to September. Maine no longer routinely tests birds.

Arboviral Surveillance Archives

2019 Maine Arboviral Positive Results

Surveillance Species Collection Date Town County Agent
Veterinary Horse August 28, 2019 York EEE
Mosquito Culiseta melanura September 6, 2019 Lebanon York EEE
Mosquito Culiseta melanura September 18, 2019 Alfred York EEE

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