title: Failure of Clostridium chauvoei vaccines to protect against blackleg.
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D003013:Clostridium / Q000276:immunology*; D003015:Clostridium Infections / Q000517:prevention & control / Q000662:veterinary*; D014611:Vaccination / Q000662:veterinary*
chemical_list: D001428:Bacterial Vaccines