PASTEURELLACEAE :
• Pasteurella
o Pathogen of domestic animals (septacemia = cattle; fowl cholera = chickens)
o P. multocida transmitted to humans by dog / cat bites.
o Nutritionally fastidious; requires complex media for growth in the laboratory
• Haemophilus:
o Common inhabitants of upper respiratory tract mucous membrane, mouth, vagina, GI.
o Requires X factor (unknown component of hemoglobin) for synthesising parts of the cytochrome system; eg choclate agar (blood heated & gives brown color) supllemented with NAD or NADP (V factor).
o H. influenzae - flu like
o H. ducreyi -- veneral disease aka soft chancre
o H. suis-- hog influenza
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