Wednesday, June 29, 2005

Haemophilus

Also spelled  Hemophilus,   genus of very small rod-shaped bacteria of uncertain affiliation. All species of Haemophilus are strict parasites occurring in the respiratory tracts of warm-blooded animals, including humans, and in certain cold-blooded animals. All Haemophilus are gram-negative, aerobic or facultative anaerobic and nonmotile and require a growth factor that is found in blood.

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