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Arboviral Surveillance Reports

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.

Maine Arboviral Positive Results

Surveillance Species Collection date Sort ascending Town County Agent
Mosquito Culiseta melanura York York EEE
Mosquito Culiseta melanura York York EEE
Mosquito Aedes vexans York York EEE
Mosquito Ochlerotatus canadensis York York EEE
Mosquito Aedes vexans York York EEE
Mosquito Culiseta melanura Buxton York EEE
Mosquito Coquillettidia perturbans York York EEE
Mosquito Culiseta melanura York York EEE
Mosquito Psorophora ferox York York EEE
Mosquito Ochlerotatus canadensis York York EEE
Mosquito Culiseta morsitans York York EEE
Mosquito Aedes vexans York York EEE
Mosquito Culex salinarius York York EEE
Veterinary Emu Cumberland EEE
Mosquito Culex salinarius York York EEE
Mosquito Aedes vexans York York EEE
Mosquito Culiseta melanura York York EEE
Mosquito Coquillettidia perturbans York York EEE
Mosquito Culiseta melanura Alfred York EEE

Weekly Report Updates

2025

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2019

2016