Figure 7From: KbvR mutant of Klebsiella pneumoniae affects the synthesis of type 1 fimbriae and provides protection to mice as a live attenuated vaccine Protective effect of passive transfer of mice sera against lethal K. pneumoniae infection. The survival rates of BALB/c mice (n = 5/group) injected intraperitoneally with the mixture of 104 CFU WT and immunized or normal mice sera were determined for 14 days (P < 0.01).Back to article page