title: Protection of cattle against natural challenge with Leptospira interrogans serovar hardjo using a hardjo-pomona vaccine.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D001428:Bacterial Vaccines; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology / Q000517:prevention & control*; D007921:Leptospira interrogans / Q000276:immunology*; D007922:Leptospirosis / Q000276:immunology / Q000517:prevention & control / Q000662:veterinary*
chemical_list: D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines