The rare and deadly mosquito-borne illness known as Eastern equine encephalitis was identified in New York for the first time in over a decade last week and the person who contracted it has since died from the virus, the state’s governor announced Monday, making them the second person to die from the infection this season.

A New York resident who contracted the first confirmed human case of Eastern equine encephalitis in the state in nearly a decade has died, according to the governor’s office.