An upper respiratory tract illness characterized by sore throat, low-grade fever, and an adherent membrane of the tonsil(s), pharynx, and/or nose without other apparent cause (as reported by a health professional)
Laboratory Criteria For Diagnosis
Isolation of Corynebacterium diphtheriae from a clinical specimen
Meets the clinical case definition, is not laboratory confirmed, and is not epidemiologically linked to a laboratory-confirmed case
Meets the clinical case definition and is either laboratory confirmed or epidemiologically linked to a laboratory-confirmed case
Cutaneous diphtheria should not be reported.