A little girl named Madeline Reid died at Children 's Hospital of Philadelphia . The doctor found she had enterovirus infection , which she died of , doctor says . Enterovirus D68 is a pernicious strain of a common virus ; children are most vulnerable . CDC confirms new enterovirus D68 cases in 46 states ; says numbers will rise .
A little girl named Madeline Reid dies at Children 's Hospital of Michigan . The CDC found she had enterovirus D68 , which she died of , doctor says . Enterovirus D68 is a pernicious strain of a common virus ; children are most vulnerable . CDC confirms 691 enterovirus D68 cases in 46 states ; says numbers will rise .