New York's governor declared a deadly mosquito-borne virus an "imminent threat" to public health after a death in the state.

A New York resident contracted the first confirmed human case of Eastern equine encephalitis in the state in nearly a decade and has died, the governor’s office announced this week. So what exactly is the mosquito-borne disease EEE or Triple E?

New York's first person to contract Eastern equine encephalitis -- or EEE -- in almost a decade has died, the governor's office announced Monday as the state declared the virus an "imminent threat to public health.