the number of patients subsided last year - there were none in oregon - but the mysterious illness last week the centers for disease control and prevention said there were eight children in washington who had afm . the disease that affects the nervous system is rare . two of the patients live in eastern oregon , including the adult . all eight of the nine kids admitted to seattle children ’s hospital with polio - like symptoms . oregon health officials confirmed there had been three cases in oregon this year . marijo deguzman told kiro 7 her son , daniel , was taken off life support on monday . doctors believe daniel and the other children may have contracted a rare virus known as acute flaccid myelitis , or afm - but that has n't yet been confirmed . state officials have tracked three cases of the disease , acute flaccid myelitis , since august .