PrevnarActive Ingredient(s): Pneumococcal Vaccine, Polyvalent
Pneumococcal polysaccharide vaccine (PPSV)—known as Pneumovax 23 (PPV-23)—is the first pneumococcal vaccine derived from a capsular polysaccharide, and an important landmark in medical history[according to whom?]. The polysaccharide antigens were used to induce type-specific antibodies that enhanced opsonization, phagocytosis, and killing of Streptococcus pneumoniae (pneumococcal) bacteria by phagocytic immune cells. The pneumococcal polysaccharide vaccine is widel... [wikipedia]1 Discussion
Prevnar Intramuscular Injection, SuspensionNDC: 0005-1970
Wyeth Pharmaceutical Division of Wyeth Holdings Corporation, a Subsidiary of Pfizer Inc.