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Description:This blood agar culture is growing colonies of Corynebacterium diphtheria var. belfanti bacteria.
Respiratory diphtheria has become a rare disease in the U.S. (0-5 cases per year.) An increasing proportion of cases occurs among older children and adults; in the prevaccination era, younger children were most often affected.
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Content Providers(s):CDC/ Dr. W.A. Clark
Creation Date:1977
Photo Credit:
Links:CDC - Nat. Center for Infectious Diseases; Div. of Bacterial and Mycotic Diseases: Diphtheria
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.