Random Gram Negative Bacteria Flashcards
______ is the cause of rat bite fever
Streptobacillus moniliformis
Streptobacillus monilifomis causes what two disease?
Rat bite fever and Haverhill fever in humans
What is the natural habitat of Streptobacillus moniliformis?
Nasopharynx of rats and sometimes dogs, cats, and pigs
What is the common pathogenesis of Streptobacillus moniliformis?
Lab mice: easily spread via bites, contact and through feed and water
Rats: can have bronchopneumonia and conjunctivitis
Guinea pigs, turkeys, and calves can also be infected
T/F Rat bite fever can only be acquired via bites from wild rodents
FALSE; can also be acquired from bites from laboratory rats and occasionally other animals
A patient infected with rat bite fever usually sees what clinical signs?
An abrupt fever with chills, followed by a period of normal body temperature. Usually develop a chronic, relapsing illness. Lymphatics are inflammed. Can also see endocarditis, meningitis, and pneumonia.
What is different about the signs with Haverhill fever?
All the symptoms of rat bite fever, with respiratory and GI symptoms as well
______ is another cause of rat bite fever in humans that are more common in Asia and Africa
Spirillum minus
T/F Spirillum minus does not affect animals
TRUE
What are the common lesions you see with Spirillum minus?
A chancre like ulcerated lesion that is darkened and purplish at the infected site.
_______ is the cause of cat scratch disease in humans
Bartonella henselae
T/F Bartonella henselae is widespread in the cat population
TRUE
What are the common lesions seen with Bartonella henselae?
Develop a granulomatous regional lymphadenitis that occurs 2-3 weeks after bite or lick from an infected cat
_______ is another common cause of cat scratch disease
Afipia felis
_______ is the cause of trench disease seen during WW1 and WW2
Bartonella quintana
