Fig. 4From: Construction of a bivalent vaccine against anthrax and smallpox using the attenuated vaccinia virus KVAC103A Schematic view of the animal experiment. Mice were immunized two times with 3 weeks interval and sera were collected by bleeding 20 days after the last vaccination. One day after bleeding, mice were challenged with anthrax spores. Survival was observed for 14 daysBack to article page