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(A) Specific IgG1 and IgG2a levels induced by immunization with SmAP before and after challenge. (B) Specific IgG1 and IgG2a levels induced by immunization with SmNPP-5 before and after challenge. (C) Specific IgG1 and IgG2a levels induced by immunization with SmNTPDse before and after challenge. The bars are Mean ± SEM. The numbers over the bars are the IgG1/IgG2a ratios.
