what type of vaccine is pneumovax
Pneumovax 23 Description. 1  PNEUMOVAX1 23 (Pneumococcal Vaccine Polyvalent) is a sterile, liquid vaccine for intramuscular or subcutaneous injection. 2  Pneumococcal infection is a leading cause of death throughout the world{3} and a major cause of pneumonia, bacteremia, meningitis, and otitis media.