Pfizer Inc. is aiming to bring its next-generation pneumococcal vaccine Prevnar 20 into the pediatric market – the larger market opportunity versus adults – so that it can be used in the same patients as the company's blockbuster Prevnar 13 and Merck & Co., Inc.'s newer 15-valent conjugate vaccine Vaxneuvance.
A Phase III clinical trial comparing the immunogenicity of the 20-valent pneumococcal conjugate vaccine candidate (20vPnC) to Prevnar 13 in...







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