{HEAD ~ Vaccines} which prevent the morbidity and {TAIL ~ mortality} associated with clostridial diseases are provided 
prevent
{ HEAD ~ Vaccines } which prevent the morbidity and { TAIL ~ mortality } associated with clostridial diseases are provided
HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH