Figure 2. Pathogenicity of genotype 2 (LBVSA2004 [white bars] and Mongoose2004 [black bars]) and genotype 1 (gray bars) lyssaviruses in mice. Results are percentages of dead animals observed for a specific period. Mice were observed for 56 days, but no deaths occurred after 18 days. A) Deaths after intracerebral injection of 103 50% lethal doses (LD50). B) Deaths after intramuscular injections of 105 LD50.