Accute Flaccid Myelitis

The Ohio Department of Health says four cases of a rare, mysterious illness that can paralyze children have been confirmed in the state amid an increase in such cases nationally. 

Updated 3:55 p.m. ET

A rare condition causing weakness in the arms or legs — and sometimes paralysis — has been confirmed in 62 children so far this year, the Centers for Disease Control and Prevention said Tuesday.

One child has died of the condition, called acute flaccid myelitis, or AFM.