What immunity does IPV primarily rely on?

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Study for the Poliovirus and Poliomyelitis Test. Prepare with engaging flashcards and detailed multiple-choice questions, each with hints and explanations. Ace your exam with confidence!

Multiple Choice

What immunity does IPV primarily rely on?

Explanation:
IPV is given by injection and is designed to generate a strong systemic humoral response. This vaccination stimulates B cells to produce neutralizing antibodies in the blood (mostly IgG) that circulate and prevent poliovirus from spreading to the nervous system, thereby protecting against paralytic disease. However, because the virus is inactivated and not introduced to the mucosal surfaces of the gut, IPV does not produce substantial intestinal (mucosal) immunity, so it’s less effective at stopping intestinal infection and transmission. That’s why the correct concept is that IPV primarily induces humoral immunity but not intestinal immunity.

IPV is given by injection and is designed to generate a strong systemic humoral response. This vaccination stimulates B cells to produce neutralizing antibodies in the blood (mostly IgG) that circulate and prevent poliovirus from spreading to the nervous system, thereby protecting against paralytic disease. However, because the virus is inactivated and not introduced to the mucosal surfaces of the gut, IPV does not produce substantial intestinal (mucosal) immunity, so it’s less effective at stopping intestinal infection and transmission. That’s why the correct concept is that IPV primarily induces humoral immunity but not intestinal immunity.

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