Table. Diseases Transmitted by Animals Disease and/or Organism Animal Sources/Reservoirs Vector or Modes of Transmission Bacterial Diseases Aeromonas species Aquatic animals, especially shellfish, medical leeches Wound infection, ingestion of contaminated food or water Anthrax (Bacillus anthracis) Herbivores (cattle, goats, sheep) Direct contact with infected animals or their carcasses, or contact with products from infected animals (eg, meat, hides or hair) contaminated with B anthracis spores Bartonellosis (Bartonella species) Cats, dogs, body lice Bites of arthropods suspected, but evidence is lacking in many species Brucellosis (Brucella species) Cattle, goats, sheep, pigs, dogs, elk, bison, deer, camels, rodents, marine mammals Direct or indirect contact with aborted fetuses or tissues or fluids of infected animals inoculation through mucous membranes, cuts or abrasions of the skin inhalation of contaminated aerosols ingestion of undercooked meat or unpasteurized dairy products. Campylobacteriosis (Campylobacter jejuni) Poultry, dogs (especially puppies), kittens, ferrets, pet rodents, cattle, sheep, birds Ingestion of contaminated food, water, direct contact (particularly with animals with diarrhea), person-to-person (fecal-oral) Capnocytophaga canimorsus Dogs, rarely cats Bites, scratches, and prolonged contact with dogs Cat-scratch disease (Bartonella henselae) Cats, infrequently other animals (less than 10%) Scratches, bites fleas play a role in cat-to-cat transmission (evidence for transmission from cat fleas to humans is lacking) Erysipelothrix rhusiopathiae Pigs, sheep, cattle, birds, fish, shellfish Direct contact with animal or contaminated animal product, or water Hemolytic-uremic syndrome (eg, Shiga toxin-producing Escherichia coli) (STEC) Cattle, sheep, goats, deer Ingestion of undercooked contaminated ground beef, unpasteurized milk, or other contaminated foods or water contact with infected animals or their environments (eg, farms and ranches) contact with animals in public settings including petting zoos and agricultural fairs (fecal-oral) 1094 APPENDIX VIII DISEASES TRANSMITTED BY ANIMALS
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