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USMLE · Question #546
USMLE Question #546: Real Exam Question with Answer & Explanation
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Question
A new severe respiratory illness caused by a newly identified virus is discovered. Which of the following properties of a killed vaccine relative to a live vaccine is the most appropriate rationale for developing a killed vaccine for this illness?
Options
- AAvoids the concern for reversion to virulence
- BDevelops more rapid protective immunity
- CIs less likely to require subsequent boosters for lifelong immunity
- DIs most likely to generate mucosal immunity
- ERequires little safety monitoring to ensure inactivation
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