Merck strides onto Pfizer’s turf, posting pivotal vaccine data and heading to regulators

via Merck & Co. has revealed data from a phase 3 trial designed to knock Pfizer’s pneumococcal vaccine off its perch. The vaccine candidate matched Prevnar 20 for shared serotypes and performed better for 10 of its 11 unique serotypes, positioning Merck to file for approvals around the world.

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