Acute Flaccid Myelitis (AFM)

Father stands over sick son in hospital bed. Doctor writing on clipboard.

About Acute Flaccid Myelitis

Learn about symptoms of AFM and how it's diagnosed.

What is AFM?

Acute flaccid myelitis (AFM) is a rare but serious neurologic condition. It affects the nervous system, specifically the area of the spinal cord called gray matter, which causes the muscles and reflexes in the body to become weak. We are working closely with national experts to better understand AFM and the outbreaks.
Learn About AFM

Page last reviewed: February 25, 2020