Most people infected with
West Nile virus do not have symptoms. Others have mild
symptoms. In rare cases, infection can lead to inflammation of the brain (encephalitis), the spinal cord (myelitis), or the
tissues surrounding it and the spinal cord (meningitis).
The time from infection to the appearance of symptoms (incubation period)
usually is 3 to 14 days. Symptoms of the mild form of West Nile virus
Brucellosis is an infectious disease caused by a type of bacteria called Brucella. The bacteria spread from animals to humans.
There are several different strains of Brucella bacteria. Some types are seen in cows. Others occur in dogs, pigs, sheep, goats, and camels. Recently, scientists have seen new strains in the red fox and certain marine animals, including seals.
Brucellosis is rare in the U.S. because of effective animal disease control programs. Fewer than 200 people get sick with the...
If you or a person in your care has symptoms like these,
contact your doctor immediately.
You may have tremors, muscle
aches, and fatigue for months after the illness, especially if your brain
became infected. Other possible effects include seizures, memory loss,
personality changes, paralysis, and symptoms similar to
Parkinson's disease. Some of these problems may last a
WebMD Medical Reference from Healthwise
August 25, 2008
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