Medical MCQ-A veterinary doctor had fever for 15 days. His blood culture in special laboratory media was positive for Gram-negative sho bacilli which were oxidase positive. Which one of the following is the likely organism grown in culture?

A veterinary doctor had fever for 15 days. His blood culture in special laboratory media was positive for Gram-negative sho bacilli which were oxidase positive. Which one of the following is the likely organism grown in culture?

Pasteurella spp.

Francisella spp.

Baonella spp.

Brucella spp.

Question Category:

Microbiology

Correct Answer:

Brucella spp.

Description:

Pasteurella sp-Gram --ve bacilli oxidase +ve causes cellulitis but no fever Francisella sp-Gram --ve sho bacillus, oxidase +ve, causes Tularemia ahrosis but no PUO(Pyrexia of unknown origin) Baonella -- Gram --ve red, oxidase +ve Brucella, Gram --ve, sho bacillus causes PUO Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 339

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