(CNN) More than a dozen cases of Enterovirus D68 have been confirmed in New York state, according to officials.
"EV-D68 is causing cases of severe respiratory illness ... sometimes resulting in hospitalization, especially among children with asthma," the NYS Department of Health said in a statement Friday.
As of September 11, more than 80 cases in six other states -- Colorado, Illinois, Iowa, Kansas, Kentucky and Missouri -- have been confirmed to be EV-D68, according to the CDC.
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New York is the first state in the Northeast with confirmed cases.