Brucella melitensis: Difference between revisions
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Brucella melitensis
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*Facultative intracellular, [[Stain::Gram-negative]] [[Cellular shape::coccobacillus]] |
*Facultative intracellular, [[Stain::Gram-negative]] [[Cellular shape::coccobacillus]] |
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| − | *[[Catalase test::Catalase-positive]], [[Oxidase test::oxidase-positive]], [[Nitrate test::nitrate-positive]], and [[Urease |
+ | *[[Catalase test::Catalase-positive]], [[Oxidase test::oxidase-positive]], [[Nitrate test::nitrate-positive]], and urease [[Urease::positive]] |
*[[Biosafety risk groups|Risk group 3 organism]] |
*[[Biosafety risk groups|Risk group 3 organism]] |
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*When suspected, plates should be sealed and it should ''not'' be set up for mass spectrometry |
*When suspected, plates should be sealed and it should ''not'' be set up for mass spectrometry |
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Revision as of 15:08, 20 August 2020
Background
- Causes brucellosis, also called Malta fever
Microbiology
- Facultative intracellular, Gram-negative coccobacillus
- Catalase-positive, oxidase-positive, nitrate-positive, and urease positive
- Risk group 3 organism
- When suspected, plates should be sealed and it should not be set up for mass spectrometry
Epidemiology
- Zoonotic transmission transmitted by ingesting contaminated food (such as unpasteurized milk products), direct contact with an infected animal, or inhalation of aerosols
Clinical Manifestations
- Exposure to unpasteurized milk products or animals
- Undulating fever
- Headache, arthralgia, night sweats, fatigue, anorexia
- Arthritis, spondylitis, osteomyelitis
- Orchitis and epididymitis
- Foul-smelling sweat
