Which animal is the main reservoir associated with human infection by Shiga toxin producing Escherichia coli O157:H7?
Correct answer: D. Cattle
- A. Poultry
- B. Horses
- C. Cats
- D. Cattle
Explanation
Cattle commonly carry E. coli O157:H7 in the intestinal tract and may contaminate meat, milk, water, or vegetables with feces. Horses and cats are not the principal reservoir, while poultry is more strongly linked with other foodborne pathogens.
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About Veterinary Public Health and Zoonoses
Veterinary public health examines how animal health affects human health through zoonotic diseases, food safety, environmental sanitation and population disease control. Coverage includes rabies, brucellosis, tuberculosis, anthrax, avian influenza and parasitic infections, along with their reservoirs, routes of transmission, surveillance, vaccination, quarantine and prevention under the One Health approach.
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