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. 2013 Nov 13;8(11):e78671. doi: 10.1371/journal.pone.0078671

Figure 3. Protective efficacy of ID vaccination with FSC200ΔclpB versus LVS against respiratory challenge with SCHU S4.

Figure 3

BALB/c mice were immunized ID with 105 CFU of LVS (square; n = 12) or FSC200ΔclpB (circle; n = 17) and challenged 6 weeks later IN with 86 CFU of SCHU S4. *, Significantly longer survival than mice immunized with LVS.