A New Hampshire resident who tested positive for the mosquito-borne infection eastern equine encephalitis virus has died, health authorities in the state said. The Hampstead resident’s infection was the first in the state in a decade, the New Hampshire Department of Health and Human Services said Tuesday. The resident, whom the department only identified as an adult, had been hospitalized due to severe central nervous system symptoms, the department said. [time-brightcove not-tgx=”true”] About a third of people who develop encephalitis from the virus die from the infections, and survivors can suffer lifelong mental and physical disabilities.