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Table 2 The cytotoxic T-lymphocyte (CTL) response in mice immunized with the DNA vaccines

From: Recombinant PAL/PilE/FlaA DNA vaccine provides protective immunity against Legionella pneumophila in BALB/c mice

Group pcDNA3.1 PAL PiLE FLaA PAL/PiLE/FLaA
Cytotoxicity 7.784 ± 1.096 24.793 ± 5.085***/### 42.887 ± 4.537***/### 16.541 ± 2.040*/### 71.932 ± 7.752***
  1. *, p < 0.05. ***, p < 0.001 versus the pcDNA3.1 group. ###, p < 0.001 versus the PAL/PiLE/FLaA group