The eastern equine encephalitis virus, or EEE, has put residents in the Northeast on alert after news of a death in New Hampshire and cases in three other states.. On average, about 11 human cases ...

Eastern equine encephalitis, also known as "Triple E," is a viral infection spread by mosquitoes. ... The map below shows where human cases of EEE have been detected in the U.S.

Eastern equine encephalitis, also known as "Triple E," is a viral infection spread by mosquitoes. In severe cases, the virus can cause inflammation of the brain, which can be fatal.