Which statement correctly distinguishes a reservoir host from a dead-end host in zoonotic transmission?
Correct answer: D. A reservoir host maintains an agent and can sustain its transmission
- A. A dead-end host is required for completion of every parasite cycle
- B. A reservoir host is always the first infected human in an outbreak
- C. A dead-end host efficiently spreads an agent to many vectors
- D. A reservoir host maintains an agent and can sustain its transmission
Explanation
A reservoir host supports persistence of an infectious agent and may pass it to susceptible hosts or vectors. A dead-end host usually becomes infected but does not produce enough infectious material to continue transmission efficiently.
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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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