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Maximum likelihood tree showing phylogenetic relationships of samples from Bikoro/Iboko 2018 and other filovirus using partial VP35 sequences. Approximate likelihood ratio test nonparametric branch supports based on a Shimodaira-Hasegawa–like procedure are shown for the main nodes. The new strains from Bikoro/Itipo (2018) and the control samples from Boende (2014) are highlighted with a dot.
