Figure 3From: Protective immunity against Trichinella spiralis in mice elicited by oral vaccination with attenuated Salmonella-delivered TsSP1.2 DNASerum anti-TsSP1.2 IgG (A) and its subclass (B) responses in vaccinated mice were assayed by ELISA with rTsSP1.2. The OD values of each group are the mean ± SD of 10 mice. The time point of vaccination is marked as arrows (↑).Back to article page