title: Leptospira interrogans serovar hardjo vaccination against Leptospira interrogans serovar balcanica infection.
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines / Q000276:immunology*; D006224:Cricetinae; D003429:Cross Reactions; D007921:Leptospira interrogans / Q000276:immunology*; D014895:Weil Disease / Q000517:prevention & control / Q000662:veterinary*
chemical_list: D001428:Bacterial Vaccines