United States A disease-incidence map for human cases of<unk> , 1964–2010 Several states in the Northeast U.S. have had increased virus activity since 2004. Between 2004 and 2006, at least ten human cases of<unk>  were reported in Massachusetts. In 2006, about in southeastern Massachusetts were treated with mosquito adulticides to reduce the risk of humans contracting<unk> . Several human cases were reported in New Hampshire, as well. On 19 July 2012, the virus was identified in a mosquito of the species Coquillettidia perturbans in Nickerson State Park on Cape Cod, Massachusetts. On 28 July 2012, the virus was found in mosquitos in Pittsfield, Massachusetts. , a notable uptick in cases erupted in New England and Michigan, prompting some health departments to declare an outbreak. , five people died in Michigan, three people died in Connecticut, one person died in Rhode Island, one person died in Alabama, one person died in Indiana, and three people died in Massachusetts. The virus was also found in goats, in turkeys, in deer, and in horses. As of September 9, 2020, there were 5 confirmed human cases between Massachusetts and Wisconsin. As of October 9, 2020, one person died in Michigan, and one person died in Wisconsin. Europe In October 2007, a citizen of Livingston, West Lothian, Scotland became the first European victim of this disease. The man had visited New Hampshire during the summer of 2007, on a fishing vacation, and was diagnosed as having<unk>  on 13 September 2007. He fell ill with the disease on 31 August 2007, just one day after flying home, and later fell into a coma. He later awoke from the coma with severe brain injuries.
Eastern equine encephalitis
Japanese encephalitis
Brain fever
Tick-borne encephalitis
Saint Louis encephalitis
La Crosse encephalitis
Cryptic rabies
Sappinia amoebic encephalitis