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Do vaccines cause Guillain-Barre syndrome (GBS)?
It is not fully understood why some people develop GBS, but it is believed that the nerve cells are damaged by a person’s own immune system. Many types of infections, and in very rare cases vaccines, may activate the immune system to cause damage to the nerve cells.
For more information about Guillain-Barré Syndrome see:
- National Institute of Neurological Disorders and Stroke Information Page
- Fact Sheet: Guillain-Barré Syndrome
Last Updated: 09/14/2009



