What is the efficacy of pneumococcal vaccines for the prevention of community-acquired pneumonia (CAP)?

Updated: Oct 31, 2019
  • Author: Stephanie L Baer, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Pneumococcal vaccines have been shown to have some efficacy in preventing vaccine-strain pneumococcal pneumonia, bacteremia, and invasive disease. They have not been shown to prevent community-acquired pneumonia (CAP) of all kinds. [96, 97] Annual influenza vaccination has been shown to decrease pneumonia diagnoses, hospitalizations, and cardiac events in certain populations. [98, 99, 100, 101]

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