An older type of vaccine called pneumococcal polysaccharide vaccine 23 (PPSV23) is given to children older than 2 in certain cases and adults who already have been given PCV15. Unlike PCVs ...

Only the pneumococcal vaccine (PCV13, PPSV23) was administered since the herpes zoster vaccine was not available at the start of phase 1. PCV13 vaccination: 148 patients (79%), (p < .05 compared ...

and one pneumococcal polysaccharide vaccine (PPSV23) for protection against pneumococcal disease. A serotype is a variation of a bacterium or virus. The immune system may react differently to ...