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Examples of aggregated (purple) and random (green) distributions of parasites of similar span in the host phylogeny. The parasites are Leptospira interrogans (green) and Trypanosoma cruzi (purple), coloured according to their groupings in figure 3. Black colouring indicates host species infected by both parasite species. The clade colours indicate primates (blue), ungulates (red) and carnivores (gold).
