Haemophilus ducreyi (Chancroid)
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MICROBIOLOGY
- Fastidious, facultative anaerobic Gram negative coccobacillus.
- Requires hemin (X factor) for growth but no requirement for NAD (V factor)
- Three types of nutritionally enriched media needed for growth.
- Organism co-localizes with neutrophils and fibrin at the ulcerative stage of disease.
- Specific molecular techniques used to identify likely geographic origin of strains.
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MICROBIOLOGY
- Fastidious, facultative anaerobic Gram negative coccobacillus.
- Requires hemin (X factor) for growth but no requirement for NAD (V factor)
- Three types of nutritionally enriched media needed for growth.
- Organism co-localizes with neutrophils and fibrin at the ulcerative stage of disease.
- Specific molecular techniques used to identify likely geographic origin of strains.
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