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News From the Centers for Disease Control and Prevention
June 11, 2019

Acute Flaccid Myelitis Cluster

JAMA. 2019;321(22):2156. doi:10.1001/jama.2019.7349

A cluster of 6 cases of acute flaccid myelitis paralysis (AFM) in children was reported in Minnesota in the fall of 2018, according to a CDC report. It was the largest cluster reported in the state to date and part of an uptick in cases across the country.

The children ranged in age from 1 to 9 years. They came from different counties and had no epidemiological ties. All of them developed a fever and respiratory symptoms about 8 days before developing weakness, particularly in the limbs shortly after waking. All the children were hospitalized and had evidence of spinal cord lesions detected by magnetic resonance imaging (MRI). One child remained hospitalized at press time with complete paralysis of all voluntary muscles and the 5 others have been discharged home or to rehabilitation facilities with residual weakness.