This site is intended for U.S. healthcare professionals.
Menu
Close
Menu
Close
Serotype 4 IPD has recently reemerged and serotype 4 is not included in PCV21.1
The CDC advises that in such populations, pneumococcal vaccines like PCV20 are expected to provide broader serotype coverage against locally circulating strains compared to PCV21 alone.1,12
Serotype 19F is among the most virulent serotypes causing pneumococcal
pneumonia.13‡
Prevnar 20 includes some of the most concerning drug-resistant serotypes
prior to the launch of PCVs.10,14
To report an adverse event, please call 1-800-438-1985
Pfizer for Professionals 1-800-505-4426
This site is intended only for U.S. healthcare professionals. The products discussed in this site may have different product labeling in different countries. The information provided is for educational purposes only.
© 2025 Pfizer Inc. All rights reserved.