Doctor with vaccine

Looking for an edge over Merck, Pfizer begins testing its COVID-19 vaccine and next-gen pneumococcal shot together

In its back-and-forth battle with Merck for supremacy of the next-gen pneumococcal vaccine market, Pfizer is looking for any edge it can get. Monday’s news that the drugmaker has begun testing its COVID-19 vaccine and 20-valent pneumococcal vaccine candidate together could provide exactly that advantage.

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