What is the main immunological advantage of vaccination with a live attenuated vaccine?
Correct answer: B. It often induces strong humoral and cellular immunity
- A. It produces no cellular immunity
- B. It often induces strong humoral and cellular immunity
- C. It cannot replicate in the vaccinated host
- D. It always remains safe in pregnant animals
Explanation
Live attenuated vaccines usually replicate to a limited extent and stimulate both antibody-mediated and cellular immune responses. They may be unsuitable for some pregnant or immunocompromised animals, so the other statements are too broad or incorrect.
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About Veterinary Microbiology and Immunology
Covers the structure, classification, growth and transmission of bacteria, viruses, fungi and other disease causing microorganisms in animals. It explains innate and acquired immunity, antibodies, antigens, vaccination, hypersensitivity and diagnostic methods, while distinguishing infectious agents from the immune responses they produce.
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