Figure 1From: Protective immunity in mice vaccinated with a novel elastase-1 significantly decreases Trichinella spiralis fecundity and infectionSerum titers of anti-rTsE IgG antibody measured by rTsE-ELISA. Thirty serum samples (1:100 dilution) from normal mice were measured as negative serum controls. The cut-off values (0.124) are shown with a dotted line.Back to article page