Figure 5From: Protective immunity against Trichinella spiralis in mice elicited by oral vaccination with attenuated Salmonella-delivered TsSP1.2 DNATotal IgA (A) and specific anti-TsSP1.2 IgA (B) in intestinal lavages of mice vaccinated with TsSP1.2 DNA vaccine, plasmid alone or PBS. Data are the mean ± SD of five mice per group. Asterisks (*) indicate statistically significant differences (P < 0.01) relative to empty plasmid alone or PBS groups.Back to article page