Adult data back Merck & Co’s challenger to Pfizer’s blockbuster Prevnar 13Merck & Co has built more momentum behind its attempt to depose Pfizer’s blockbuster pneumococcal conjugate vaccine Prevnar Share XAdult data back Merck & Co’s challenger to Pfizer’s blockbuster Prevnar 13https://pharmaphorum.com/news/adult-data-back-mercks-challenger-to-pfizers-blockbuster-prevnar-13/