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Medical Pearls from the Internet Medical Association


This study found that for the elderly, administration of both the PSV13 and PPSV23 were required to give effective protection against pneumonia.

Comment: Current recommendations are to give only the PPSV23 to healthy adults over age 65. This study suggests that we would do better giving both vaccines. Spacing the vaccines about a year apart seems reasonable.



J Infect Dis . 2021 Sep 19;jiab474.    (retrieved Oct, 2021). There are currently 1090 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2024 by the Internet Medical Association. Click Here to view more medical pearls.