Figure 2.

Concurrent intradermal administration of four independent vaccines resulted in rapid seroconversion of specific IgG. Mean ± SD (triplicate determinations) of antigen-specific IgG for all vaccinated animals. ■ BoNT/A(H_c) vaccine, □ rF1-V vaccine, △ STEBVax, ▲ rPA vaccine. The arrows indicate the days of vaccine administration.