Fig. 1From: Evaluation of immune protection induced by DNA vaccines from Haemaphysalis longicornis paramyosin in rabbitsAntibody responses from immunized rabbits with DNA vaccine. Sera (2/group) were collected every seven days and determined by ELISA. The experiment was repeated three times. Results are shown as means ± SEM, and statistically significant differences are indicated by asterisks (*P < 0.05). The arrows indicate the days of the initial vaccination and the two boostersBack to article page