About Jamestown Canyon Virus

On this page:
Fact Sheet
Transmission
Prevention
Signs and symptoms

Fact Sheet

• Jamestown Canyon Virus Sheet
  Answers to frequently asked questions about Jamestown Canyon virus.
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Transmission

• Jamestown Canyon virus is one of several mosquitoborne diseases that have been seen in Minnesota. Several different mosquitoes can transmit the virus.
  

Prevention

• Preventing Mosquitoborne Diseases
  Learn how to minimize your risk to eastern equine encephalitis and other diseases transmitted by mosquitoes.

Signs and symptoms

• Illness caused by Jamestown Canyon virus is rarely reported in the United States.
• Identified cases have presented with fever, headache, and flu-like symptoms (chills, malaise, and nausea).
• Severe cases involving the central nervous system (CNS) may include meningitis (inflammation of the membranes surrounding the brain) or encephalitis (inflammation of the brain).
• Treatment for Jamestown Canyon virus is supportive care until the illness resolves.