About West Nile
Virus
Transmission of West Nile Virus
Symptoms of West Nile Virus
Prevention of West Nile Virus
Testing and Treating West Nile Virus
in Humans
West
Nile Virus and Birds
West Nile Virus and Dogs and Cats
West Nile Virus and Horses
Map of Progression of West Nile Virus Across
the United States
What You Can do to Eliminate Mosquitoes
Symptoms of West Nile
Virus
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 three 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 (877-968-273)
WestNile.ca.gov
Centers for Disease Control information on
West Nile Virus
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