The present investion provides vaccines capable of protecting {HEAD ~ a vaccinated recipient} from {TAIL ~ the morbidity} and mortality associated with C. difficile infection 
from
The present investion provides vaccines capable of protecting { HEAD ~ a vaccinated recipient } from { TAIL ~ the morbidity } and mortality associated with C. difficile infection
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH