Figure 2From: Comparison of multiple DNA vaccines for protection against cytomegalovirus infection in BALB/c miceDetection of antibody responses by immunoblotting. Mice were immunized 1 ~ 4 times, at an interval of 2 weeks, with 100 μg plasmid DNAs. The serum samples were collected 13 days after the last immunization for titration of antibody responses by immunoblotting. Results are expressed as mean ± SD of 4 mice from each group. a. Not detectable.Back to article page