In veterinary parasitology, what is meant by autoinfection?
Correct answer: D. The host becomes reinfected by its own parasite stages
- A. A parasite develops without a host
- B. A parasite infects two unrelated host species
- C. A vector acquires infection from the environment
- D. The host becomes reinfected by its own parasite stages
Explanation
Autoinfection occurs when infective stages produced by a parasite reinfect the same host without requiring transmission from another infected individual. This process can maintain or intensify infection within that host.
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About Veterinary Parasitology
Covers protozoa, helminths and arthropods that infect domestic animals, including their morphology, life cycles, hosts, transmission and clinical effects. Questions connect parasite identification with diagnosis, prevention and treatment, and distinguish endoparasites from ectoparasites and definitive hosts from intermediate hosts.
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