Huge study finds Pfizer's Prevnar 13 vaccine prevents pneumonia, other infections in elderly

  • by: LINDA A. JOHNSON , Associated Press
  • Updated: March 12, 2014 - 5:25 PM

TRENTON, N.J. — Pfizer Inc. said Wednesday that its blockbuster vaccine against pneumonia, blood and other infections met its goal of preventing illness in vulnerable elderly patients in a huge study required by U.S. regulators.

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