"The tick-borne virus that killed a Poughkeepsie, N.Y., teenager in August is established in the state. Powassan and deer tick virus are variants of the same virus. The difference is that deer tick virus is carried by the Ixodes scapularis tick -- the black-legged tick -- that also spreads Lyme disease and at least two other tick-borne illnesses in the state."
http://www.ctpost.com/news/article/Tick-borne-virus-in-state-not-people-4778101.php