Haemophilus ducreyi

Haemophilus ducreyi
	; Photomicrograph of H. ducreyi
Scientific classification
Kingdom:	Bacteria;
Phylum:	Proteobacteria;
Class:	Gamma Proteobacteria;
Order:	Pasteurellales;
Family:	Pasteurellaceae;
Genus:	Haemophilus;
Species:	H. ducreyi;
Binomial name
	Haemophilus ducreyi; (Neveu-Lemaire 1921); Bergey et al. 1923

	Chancroid Microchapters
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Overview

Haemophilus ducreyi is a fastidious Gram-negative streptobacillus causing the sexually transmitted disease chancroid characterized by painful sores on the genitalia.