Haemophilus ducreyi

Chancroid Microchapters
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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

This page is about microbiologic aspects of the organism(s).  For clinical aspects of the disease, see Chancroid.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Yazan Daaboul, M.D.; Nate Michalak, B.A.; Serge Korjian M.D.

Overview

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