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Image of an agarose gel showing samples S61–S68: M is a 1000 bp marker; PC1 and PC2 were positive controls for T. congolense and T. simiae species; S61, S62, S64 are infections by T. brucei; S65 & S67 are mixed infections by T. brucei and T. vivax; S66 is a mixed infection by T. brucei and T. godfreyi; and S68 is a mixed infection by T. brucei, T. godfreyi and T. vivax.
