How effective are influenza vaccinations in reducing the rate of hospitalization for pneumonia and influenza in elderly persons?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Administration of influenza vaccine decreases fall and/or winter risk of viral influenza, which decreases the risk of bacterial superinfection. This vaccine is especially important in patients who are elderly and in those with comorbid illnesses. In fact, influenza vaccination for elderly individuals results in a 48-57% reduction of the rate of hospitalization for pneumonia and influenza.

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