Two types of pneumococcal vaccine are available. The 23-valent pneumococcal polysaccharide vaccine (PPV23) is used in adults and children >2 years of age. By contrast, pneumococcal conjugate ...

NA: Not applicable; PCV-7: 7-valent pneumococcal conjugate vaccine; PCV-13: 13-valent pneumococcal conjugate vaccine; PPV23: 23-valent pneumococcal polysaccharide vaccine.

The other vaccine analyzed in the investigation was PPV23, which is a polysaccharide vaccine. The initials stand for pneumococcal polysaccharide vaccine, which protects against 23 strains.

Prevenar 13 is a mixture of the outer sugar coating (polysaccharide ... child have ever had an allergic reaction to pneumococcal or diphtheria vaccines, or any of the ingredients listed at ...