Man dies of mosquito-borne illness EEE in New Hampshire

The transcript discusses Eastern equine encephalitis, a virus known as triple E. A 41-year-old patient was hospitalized with no underlying conditions. Four other cases have been reported this year. Northeastern states advise minimizing outdoor time to avoid mosquito bites.

What precautions have some Northeastern states advised people to take?

What is the main vector for the infection mentioned in the text?