Definition of brucellosis in US English:



  • A bacterial disease typically affecting cattle and buffalo and causing undulant fever in humans.

    This disease is caused by Gram-negative bacteria of the genus Brucella, in particular B. abortus

    • ‘Though now rare, chills and fevers in a butcher or veterinarian suggests brucellosis (undulant fever), a bacterial infection transferable from animals to man.’
    • ‘Listeriosis, brucellosis, and rabies could account for the symptoms and all three ailments were endemic to the area.’
    • ‘Elsewhere, I read that investigators in Sicily believed the mafia is behind an unexpected rise in cases of the animal disease brucellosis among humans.’
    • ‘The killing is driven by a fear that the animals will transmit brucellosis, a bacterial disease, to cattle that graze near the park's borders.’
    • ‘Acute bacterial infections, notably salmonellosis, brucellosis, pertussis, tuberculosis and rickettsial infections, can cause neutropenia.’
    • ‘He said that brucellosis was a bacterial disease and that infection was spread through herds by cows on heat.’
    • ‘‘Brucellosis in bison is very similar to brucellosis in cattle,’ says Olsen.’
    • ‘Bison in Yellowstone National Park also originally contracted the bacterial infection known as brucellosis from domestic livestock.’
    • ‘Behind the killings are Montana livestock officials, who claim they are protecting cattle herds from brucellosis, a disease that can cause cows to abort and is spread by birthing material.’
    • ‘The justification for the slaughter was Montana's fear that the bison could infect its cattle with the bacterium brucellosis.’
    • ‘Other diagnoses included diarrhoeal disease, dengue fever, typhoid, pneumonia, urinary tract infection, brucellosis, acute myeloid leukaemia, and infectious mononucleosis.’
    • ‘It has been proved scientifically that unpasteurized milk will transmit Campylobacter, brucellosis, shigellosis, E. coli, diphtheria, salmonella, listeriosis and tuberculosis.’
    • ‘An estimated 50 percent of the bison in Yellowstone carry a bacterial infection called brucellosis which Montana and federal authorities spent decades and tens of millions of dollars eradicating from cattle herds in the state.’
    • ‘The DOL justifies the killings by saying that the bison may transmit brucellosis - a bacterial disease.’
    • ‘Chronic wasting disease, West Nile fever, brucellosis, avian botulism, avian cholera and others have impacted wildlife populations.’
    • ‘Four cows have been culled amid concerns they may have contracted brucellosis, a contagious disease, which in cattle causes abortion or premature calving.’
    • ‘This bacterium causes a disease called brucellosis in sheep and goats.’
    • ‘The bison roam onto Horse Butte to graze in the winter, and when they do, the government kills them because of unwarranted fears that buffalo will infect cattle with the disease brucellosis.’
    • ‘Other causes of encephalitis include influenza, listeriosis, brucellosis, Rocky Mountain spotted fever, whooping cough, rabies and lead poisoning.’
    • ‘Meanwhile five cattle imported into Cumbria from France have shown signs of having the contagious disease brucellosis, the Department for the Environment, Food and Rural Affairs’


1930s: from modern Latin Brucella + -osis: named after Sir David Bruce (1855–1931), the Scottish physician who identified the bacterium.