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Haemophilus
influenzae
| Gram
Stain: |
Haemophilus
influenza is Gram stain negative |
| Respiration: |
Haemophilus
influenza is a facultative anaerobe |
| Motility: |
Haemophilus
influenza is non-motile |
| Taxonomic lineage: |
Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
Pasteurellaceae; Haemophilus |
| Miscellaneous: |
Haemophilus influenza was first described by
Pfeiffer in 1892. It was mistakenly thought to be the
cause of the disease influenza during the pandemic of
1890, and it was named accordingly. Haemophilus influenzae
is differentiated from Haemophilus haemolyticus
based on the hemolysis test using blood agar plates. |
| Human health and disease: |
| Unencapsulated Haemophilus
influenza strains are responsible for infections at
mucosal surfaces and strain type b (encapsulated), is
associated with invasive disease. |
Disclaimer: This information is presented as is. While every effort is made to ensure the accuracy of this information, please check current reference material prior to growth or handling of microorganisms.
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