Brucellosis - Brucellosis Overview Organism History...

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Brucellosis
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Center for Food Security and Public Health, Overview Organism History Epidemiology Transmission Disease in Humans Disease in Animals Prevention and Control Actions to Take
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The Organism
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Center for Food Security and Public Health, Brucella  spp. Gram negative, coccobacilli bacteria Facultative, intracellular organism Environmental persistence Temperature, pH, humidity Frozen and aborted materials Multiple species
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Center for Food Security and Public Health, Species Biovar/Se rovar Natural Host Human  Pathogen B. abortus 1-6, 9 cattle yes B.melitensis 1-3 goats, sheep yes B. suis 1, 3 swine yes 2 hares yes 4 reindeer, caribou yes 5 rodents yes B. canis none dogs, other canids yes B. ovis none sheep no B. neotomae none Desert wood rat no B. maris (?) marine mammals ?
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Center for Food Security and Public Health, The Many Names of Brucellosis Human Disease Malta Fever Undulant Fever Mediterranean Fever Rock Fever of Gibraltar Gastric Fever Animal Disease Bang’s Disease Enzootic Abortion Epizootic Abortion Slinking of Calves Ram Epididymitis Contagious Abortion
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History
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Center for Food Security and Public Health, History of Malta Fever 450 BC: Described by Hippocrates 1905: Introduction into the U.S.  1914:  B. suis   Indiana, United States  1953:  B. ovis  New Zealand, Australia 1966:  B. canis  in dogs, caribou, and  reindeer 
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Center for Food Security and Public Health, Sir William Burnett  (1779-1861) Professor FEG Cox. The Wellcome Trust, Illustrated History of Tropical Diseases Physician General to the  Navy Differentiated the various  fevers affecting soldiers
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Center for Food Security and Public Health, Professor FEG Cox. The Wellcome Trust, Illustrated History of Tropical Diseases Contracted Malta fever Described his own case  in great detail Jeffery Allen  Marston
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Center for Food Security and Public Health, Sir David Bruce  (1855-1931) British Army  physician and  microbiologist   Discovered  Micrococcus  melitensis Professor FEG Cox. The Wellcome Trust, Illustrated History of Tropical Diseases
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Center for Food Security and Public Health, Bernhard Bang  (1848-1932) Danish physician  and veterinarian  Discovered  Bacterium abortus   could infect cattle,  horses, sheep, and  goats Professor FEG Cox. The Wellcome Trust, Illustrated History of Tropical Diseases
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Center for Food Security and Public Health, History Alice Evans, American bacteriologist Credited with linking the organisms Similar morphology and pathology between: Bang’s  Bacterium abortus   Bruce’s  Micrococcus melitensis Nomenclature today credited to                Sir David Bruce Brucella abortus  and  Brucella melitensis
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Transmission
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This note was uploaded on 01/06/2012 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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Brucellosis - Brucellosis Overview Organism History...

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