Acute flaccid myelitis was first identified in 2014, when there were 120 cases.
HealthDay News — A rare, polio-like condition in children is on the rise again in the United States, with 38 confirmed cases in 16 states so far this year, the US Centers for Disease Control and Prevention says.
Of the 38 reported cases so far this year, 14 have been in Colorado and 6 are under investigation in Minnesota, NBC News reported.