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 the brain 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
It is possible that the main title of the report Lyme Disease is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
More severe infections involving
the brain and spinal cord may cause:
Confusion or reduced
attention to surroundings.
Muscle weakness or paralysis.
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