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Symptoms of West Nile Virus

For the latest local and national updates on the West Nile virus, visit the following sites:

State and local: http://www.westnile.ca.gov

National:
http://www.cdc.gov/ncidod/dvbid/
westnile/index.htm

NEW
West Nile Virus information available in several languages
http://www.cdc.gov/ncidod/dvbid/westnile/

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DEAD BIRD REPORTING

CDC West Nile Virus Daily Update Information

Dead Bird Surveillance and Contact Information:
Telephone: 877-WNV-BIRD
E-mail: arbovirus@dhs.ca.gov

About West Nile Virus

Transmission of West Nile virus

Symptoms of West Nile virus

Prevention of West Nile virus

Testing and Treating West Nile Encephalitis in Humans

West Nile Virus and Birds

West Nile Virus and Dogs and Cats

West Nile Virus and Horses

Map of the Progression of West Nile Virus Across the United States

What You Can Do To Eliminate Mosquitoes

  Q. Who is at risk for getting West Nile encephalitis?
A.
All residents of areas where virus activity has been identified are at risk of getting West Nile encephalitis; persons over 50 years of age have the highest risk of severe disease.

Q. What are the symptoms of West Nile encephalitis?
A.
Most infections are mild, and symptoms include fever, headache, and body aches, occasionally with skin rash and swollen lymph glands. More severe infection may be marked by headache, high fever, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness, paralysis, and, rarely, death.

Q. What is the incubation period in humans (i.e., time from infection to onset of disease symptoms) for West Nile encephalitis?
A.
Usually 3 to 15 days.

(Information on this page obtained from the Centers for Disease Control and Prevention)

For West Nile Virus information updates call toll free:
877-WNV-BIRD (877-968-2473)
Web site: http://www.westnile.ca.gov

For West Nile Virus information from the Centers for Disease Control:
Visit web site: http://www.cdc.gov/ncidod/dvbid/westnile

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