How many poliovirus serotypes exist, and what are they?

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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

How many poliovirus serotypes exist, and what are they?

Explanation:
Poliovirus has three serotypes, each with distinct surface antigens, so immunity to one type does not protect against the others. The three serotypes are PV1, PV2, and PV3. Vaccines are designed to induce immunity to all three to provide complete protection against polio. For context, PV2 has been eradicated in the wild, though vaccine-derived PV2 can still circulate, which is why vaccines historically target all three serotypes.

Poliovirus has three serotypes, each with distinct surface antigens, so immunity to one type does not protect against the others. The three serotypes are PV1, PV2, and PV3. Vaccines are designed to induce immunity to all three to provide complete protection against polio. For context, PV2 has been eradicated in the wild, though vaccine-derived PV2 can still circulate, which is why vaccines historically target all three serotypes.

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