Haemophilus influenzae



A gram-negative, rod-shaped bacterium of the genus Haemophilus, especially Haemophilus influenzae type b, that occurs in the human respiratory tract and causes acute respiratory infections, acute conjunctivitis, and purulent meningitis.Pfeiffer's bacillus

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.