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Overlapping geographical distributions of the rodent T. kempi and the snake E. ocellatus in Africa. The distributions of T. kempi and E. ocellatus are shown in light gray and dark gray ellipses, respectively. TATV was isolated from Kemp's gerbil, caught in Benin (black) at the time of an epidemic of human smallpox (30). Kemp's gerbil and the carpet viper are distributed in the entire Benin region.
