Figure 2From: Induction of antitoxic antibody and preventive effect against porcine edema disease by the pentameric Stx2eB subunit vaccineNo vaccinated piglets died and showed low clinical scores. The total clinical score (mean ± SEM) at 0, 2, 3, 4, 5, 7, 9, 11 weeks after 1st vaccination and the number of deaths during the test period are shown. *: There are significant differences (P < 0.05) in the clinical scores of the two groups.Back to article page