Resource Summary

Clinical Question:
Does the seasonal trivalent influenza vaccine (flu shot) prevent influenza or its complications in patients age ≥65 years old?

One high quality randomized controlled trial demonstrated that vaccinating 40 community dwelling seniors with the trivalent influenza vaccine (flu shot) will prevent one case of influenza. Cohort studies demonstrating mortality benefits are biased by healthy user effect.

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Publication Date: 2013-11-4
Last Updated on PCR: 2017-04-01 11:43:51