Newer Knowledge in Classification, Taxonomy and Pathogenicity of Species in the Genus Haemophilus A Critical Review

Abstract

This critical review deals with our present knowledge on the classification, taxonomy and pathogenicity of the different species of the genus Haemophilus occurring in humans and animals, including the five biotypes of H. influenzae and the 3 biotypes of H. parainfluenzae. The first, second, third and fourth stage tests for differentiation of the species are summarized in several tables.