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Diphtheria (Corynebacterium diphtheriae)

Contents
Home - National Notifiable Diseases Surveillance System
Overview
Introduction
List of Infectious Nationally Notifiable Condtions
List of Non-Infectious Nationally Notifiable Conditions
Alphabetical List of Case Definitions
Definition of Terms
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2010 Case Definition

CSTE Position Statement Number: 09-ID-05

Case classification

Probable:
In the absence of a more likely diagnosis, an upper respiratory tract illness with

  • an adherent membrane of the nose, pharynx, tonsils, or larynx; and
  • absence of laboratory confirmation; and
  • lack of epidemiologic linkage to a laboratory-confirmed case of diphtheria.

Confirmed:
An upper respiratory tract illness with an adherent membrane of the nose, pharynx, tonsils, or larynx; and any of the following:

  • isolation of Corynebacterium diphtheriae from the nose or throat; or
  • histopathologic diagnosis of diphtheria; or
  • epidemiologic linkage to a laboratory-confirmed case of diphtheria.

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This page last updated November 17, 2011

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