The Prevnar franchise is PFE’s biggest seller not related to COVID. In the adult segment of the market, Prevnar-20 has achieved a 97% market share with MRK’s Vaxneuvance a very distant #2 (#msg-169520866, #msg-166441188).
The pediatric segment of the pneumococcal-vaccine market figures to be more competitive since MRK’s Vaxneuvance has a head start from its FDA approval in Jun 2022 (#msg-169208458).
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”