at 37 C and exhibits both oxidative and fermentive metabolism. P. multocida produces grey, rough, viscous, non-hemolytic colonies on blood agar and no growth on MacConkey agar. They are also catalase and oxidase positive with a characteristic "mousy"odor.
Pasteurella species are commonly isolated pathogens in most animal bites, especially in dog- and cat-related injuries. These injuries can be aggressive, with skin manifestations typically appearing within 24 hours following a bite that exhibit a rapidly progressive soft-tissue inflammation.
If left untreated Pasteurella infections can lead to cellulitis and can spread to cause serious systemic infection. Most reported cases of Pasteurella infections involve skin and soft tissue with occasional development of regional lymphadenopathy. Beyond skin and soft tissue, other sites of infection are uncommon and have been the subject of individual case reports or small case series (they include bone and joint infections, CNS infections, septicemia, endocarditis, respiratory tract infections and intra-abdominal infections).
For more information about P. multocida or for a quick reference for other organisms visit the following link:
Pasturella infections are so scarry to me. My best friend was bitten by a cat and scratched by a cat when she was a little girl. She got cat scratch fever and she was so sick. I cant understand how something so tiny can cause something so so bad. I am a little worried to keep my cats now. I will keep them, I will just have to make certain that I don't let them bite or scratch :) Interesting post!
ReplyDeleteJessica Chisenhall
Pastuerella multocida is such a horrible infection. That is one reason I am thankful for not having pets lol ;).I really enjoyed reading such an interesting post, thanks:)
ReplyDeleteLamya Nasher
I have a friend who owns a dog that is very snappy and has a tendency of attacking strangers. He is a small dog but always tries to bite people. I am always nervous around him, knowing what we have learned in microbiology class. Beside rabies, we can catch other serious infections, such as Pasturella.
ReplyDeleteYour post is so wonderful and a question for you! How can we treat the Pasteurella multocida disease?
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