The FDA has approved a new pneumococcal vaccine from Merck & Co, just over a month after Pfizer got a green light for a new version of its market leading Prevnar shot.
Already facing one rival to its blockbuster pneumococcal vaccine Prevnar, Pfizer could have another to contend with, after Affinivax reported positive phase 2 results with its ASP3772 candi
Pfizer has the FDA approval it was seeking for Prevnar 20, the latest update to its blockbuster pneumococcal vaccination franchise, keeping it one step ahead of a competing shot from Merck