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Mosquito-based 'Jamestown Canyon Virus' found in Hanover

August 19. 2017 1:18AM

CONCORD — A Hanover resident has become New Hampshire’s first human case in 2017 of Jamestown Canyon Virus, an infection similar to West Nile and Eastern Equine Encephalitis but more rarely found, state health officials said Friday.

“Jamestown Canyon Virus is one of several viral infections that can be transmitted through the bite of an infected mosquito in New Hampshire,” said State Epidemiologist Dr. Benjamin Chan. “It is an uncommon infection to be found, but similar to WNV and EEE, it also has the potential to cause serious health complications, including central nervous system infection.”

The virus has never resulted in death and there is no specific treatment, only supportive care until symptoms go away.

Since 2000, there have only been 50 human cases nationally, officials said. In July, a Kennebec County man became the first Maine resident ever to contract the virus.

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