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. 2010 May 20;6(5):e1000904. doi: 10.1371/journal.ppat.1000904

Figure 1. Vaccination and challenge schedule.

Figure 1

(A) Vaccine group NHP were injected with plasmid DNA and rAd5 vectors encoding GP from SEBOV and/or ZEBOV. Individual DNA immunizations were spaced by 4–6 week intervals and the rAd boost was given one year after the final DNA prime. Animals were exposed to a lethal dose of BEBOV 7 weeks after the rAd5 GP boost. (B) Distance matrix-based phylogenetic tree for EBOV GP. Numbers at the nodes are boostrap percentages. Vertical branches are for graphic representation; horizontal branch lengths are measured as substitutions per site (scale bar  = 0.07). The infectious challenge species is shown in blue. Vaccine strains are indicated in bold.