Eastern equine encephalitis virus causes neurological disease, particularly encephalitis (inflammation and swelling of the brain) and is transmitted to humans via a mosquito bite.

Eastern Equine Encephalitis is more serious. In addition to potentially harming humans, the virus can harm some animals, including horses. Effective equine vaccines are commercially available.

The risk for West Nile virus is now high in 10 Massachusetts communities, state public health officials said Tuesday.

Wellington-Dufferin-Guelph Public Health says a 'rare but potentially serious' case of eastern equine encephalitis virus has ...

Eastern Equine Encephalitis is more serious. In addition to potentially harming humans, the virus can harm some animals, including horses. Effective equine vaccines are commercially available.

Boston and several other Massachusetts communities are now at a high risk for West Nile virus, after mosquito samples showed ...

But eastern equine encephalitis does have a high mortality rate, especially in horses, with up to 90% of infected horses dying from the disease, according to the Center for Equine Health at the ...

The risk level for mosquito-borne illness in Rhode Island is now "medium" after a mosquito from Bristol tested positive, the ...

Mosquitoes trapped in southeastern Oklahoma in early August have tested positive for West Nile Virus, the Choctaw Nation of ...

The Eastern equine encephalitis virus​, or EEE, has been identified in mosquitoes in Massachusetts for the first time in 2025 ...