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. 2017 Dec 29;10:626. doi: 10.1186/s13071-017-2526-5

Fig. 2.

Fig. 2

Clonorchis sinensis-specific IgG, IgG1, Ig2a, IgG2b and IgG2c antibody responses in rats immunized with VLPs. Clonorchis sinensis-specific IgG (a), IgG1 (b), IgG2a (c), IgG2b (d) and IgG2c (e) antibody responses were determined in the sera at weeks 1 and 4 from primary (Imm 1st-w1) and secondary immunization (Imm 2nd-w4). Significantly higher levels of IgG, IgG1, IgG2a and IgG2c antibody responses were observed after boost compared to those after prime (*P < 0.05, **P < 0.01)