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Health Officials Warn of Jamestown Canyon Virus Risk

7/19/2025

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Summary

Story summary

Mosquitoes in New Castle, New Hampshire, and Washtenaw County, Michigan, have been found carrying the Jamestown Canyon virus (JCV). Although the threat level is currently low, health officials are sounding the alarm for residents to take precautions against bites, as JCV can lead to serious health issues like meningitis or encephalitis in severe cases.

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Story summary

Mosquitoes in New Castle, New Hampshire, and Washtenaw County, Michigan, have been found carrying the Jamestown Canyon virus (JCV). Although the threat level is currently low, health officials are sounding the alarm for residents to take precautions against bites, as JCV can lead to serious health issues like meningitis or encephalitis in severe cases.