Which statement best describes the public health importance of sentinel animals?
Correct answer: A. They provide an early warning of pathogen circulation
- A. They provide an early warning of pathogen circulation
- B. They replace laboratory confirmation of human cases
- C. They permanently remove pathogens from vectors
- D. They are selected only for high meat production
Explanation
Sentinel animals are monitored because infection or seroconversion in them may reveal circulation of a pathogen before many human cases occur. Their findings support early investigation and control but do not replace diagnostic confirmation.
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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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