Who is at risk?

In rare cases the virus may cause encephalitis and death. People over 50 years of age are most at risk for severe effects of the disease. Most of the serious U.S. cases have involved the elderly, according to the CDC. Only 1% of people bitten by infected mosquitoes became seriously ill. For more information please call 530-265-1222.

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1. What is West Nile Virus?
2. How is it spread?
3. Is it easy to get?
4. How bad is it?
5. Who is at risk?
6. What are the symptoms?
7. How is it treated?