Animals,Bacteremia/*immunology/*microbiology,Blood/microbiology,CD8-Positive T-Lymphocytes/immunology,Colony Count,Microbial,Killer Cells,Natural/immunology,Klebsiella pneumoniae/*immunology,Liver/microbiology,Mice,Mice,Inbred C57BL,Mice,Knockout,Spleen/microbiology,Survival Analysis,beta 2-Microglobulin/deficiency/*immunology,Animals,Bacteremia,immunology,microbiology,Blood,microbiology,CD8-Positive T-Lymphocytes,immunology,Colony Count,Microbial,Killer Cells,Natural,immunology,Klebsiella pneumoniae,immunology,Liver,microbiology,Mice,Mice,Inbred C57BL,Mice,Knockout,Spleen,microbiology,Survival Analysis,beta 2-Microglobulin,deficiency,immunology