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. 2018 Oct 8;14(10):e1007293. doi: 10.1371/journal.ppat.1007293

Fig 4. Frequent cross-neutralization of gorilla and chimpanzee SFV belonging to homologous genotypes.

Fig 4

Neutralization assays were performed against four viral strains with plasma samples from individuals infected with three SFV species (chimpanzee, gorilla, and cercopithecus). A. Neutralization titers against four strains (GI-D468, GII-K74, CI-PFV, CII-SFV7) are shown for individuals infected with chimpanzee or cercopithecus SFV; bars indicate the median values. B to G: Neutralization titers against pairs of strains are presented with symbols corresponding to the infecting SFV species (open circles: gorilla SFV; filled squares: chimpanzee SFV). The dashed lines indicate neutralization detection thresholds (1:20). Tables indicate the number of individuals with and without neutralizing antibodies against each of the two strains, with P values from Fisher’s exact test.