Neurologists have identified five patients who developed paralysis in one or more of their limbs between August 2012 and July 2013 . Two children in the United States have a `` polio-like syndrome , '' according to neurologists . Five of the children tested positive for annual , a rare type of enterovirus . Another type , enterovirus 71 , is more commonly linked to paralysis . Both are uncommon in California ; state health officials say risk is very low .
Two children in the United States have a `` polio-like syndrome , '' according to neurologists . Five of the children tested positive for annual , a rare type of enterovirus . Another type , enterovirus 71 , is more commonly linked to paralysis . Both are uncommon in California ; state health officials say risk is very low .