Category:Haemophilus influenzae
From Wikimedia Commons, the free media repository
Haemophilus influenzae, formerly called Pfeiffer's bacillus or Bacillus influenzae, is a non-motile Gram-negative coccobacillus first described in 1892 by Richard Pfeiffer during an influenza pandemic.
Media in category "Haemophilus influenzae"
The following 2 files are in this category, out of 2 total.

