title: Haemophilus influenzae biotype VIII.
abstract: Six Haemophilus influenzae strains could not be classified as biotypes I through VII. The strains were indole, urease, and ornithine decarboxylase negative. We propose that they be classified as biotype VIII, a previously unreported biotype.
mesh_terms: D002675:Child, Preschool; D006193:Haemophilus influenzae / Q000145:classification* / Q000378:metabolism; D006801:Humans