Evaluation of a 3-dose Vaccination Regimen With One of Three Ascending Dose Levels of Clostridium Difficile Vaccine With or Without Adjuvant in Healthy Adults Aged 50 to 85 Years
Conditions
- Clostridium Difficile Associated Disease
Interventions
- BIOLOGICAL: C. difficile vaccine
- BIOLOGICAL: C. difficile vaccine +adjuvant
- BIOLOGICAL: C. difficile vaccine
- BIOLOGICAL: C. difficile vaccine +adjuvant
- BIOLOGICAL: C. difficile vaccine
- BIOLOGICAL: C. difficile vaccine +adjuvant
Sponsor
Pfizer