A Phase 3, Placebo-Controlled, Randomized, Observer-Blinded Study to Evaluate the Efficacy, Safety and Tolerability of a Clostridium Difficile Vaccine in Adults 50 Years of Age and Older

Pfizer’s investigational Clostridium difficile vaccine (PF-06425090) is a prophylactic vaccine that is currently being investigated for the prevention of primary C difficile infection in adults 50 years of age and older.

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