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 (Protocol B5091007)
“I joined a research trial because I want to help others. First, I served in the military. Now, I serve by participating in the Million Veterans Program.”
