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Pasteurella bacteria, SEM
Pasteurella bacteria, coloured scanning electron micrograph (SEM). Pasteurella sp. is a non-motile Gram-negative bacterium, of which many types are zoonotic (can be spread from animal to humans). P. multocida is the most frequent causative agent in human Pasteurella infection, which is mainly transmitted to humans through domestic pet bites. Common symptoms of pasteurellosis in humans include bloody drainage at the site of the wound, swelling, cellulitis, and joint arthritis. Magnification: x4600 when printed 10 centimetres wide.
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