The rivalry between Pfizer and MSD in pneumococcal vaccines has dialled up a notch with the FDA approval of MSD’s new shot Capvaxive, the first to be aimed specifically at adults.The 21-valent product – formerly known as V116 – covers a wider range of Streptococcus pneumoniae serotypes than any of MSD’s earlier vaccines and eight that are not covered by any other approved pneumococcal vaccine.
