A small, gram-negative coccobacillus is isolated from a lymp…
A small, gram-negative coccobacillus is isolated from a lymph node aspirate of a hunter with ulceroglandular symptoms after handling wild rabbits. The organism grows poorly on standard media, but appears after 48 hours on cysteine-enriched chocolate agar. The organism is oxidase negative and provides a weak postive catalase reaction. The technologist presumptively identifies the isolate as Francisella tularensis. What is the next best step?
Read DetailsA child presents with an infected finger after having been b…
A child presents with an infected finger after having been bitten by his pet cat. The culture of the wound grew a pure culture of gram negative the organism shown below on gram stain. Additional characteristics of this organism include: Indole – positive Catalase – positive Oxidase-positive Urease-negative No Growth on MAC The most likely identification is which organism?
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