1. 24 Old World monkeys: guenon; baboon; colobus monkey; langur; macaque ; mandrill ; mangabey; patas; proboscis monkey.

2. Besides human beings, natural infection has been described in animals such as mangabey monkeys and Armadillos

3. A number of local mammals are listed as threatened or endangered, including the white collard Mangabey (Cercocebus torquatus) the forest elephant (Loxodonta Africana cyclotis), leopards (Panthera pardus), gorillas (Gorilla gorilla) and chimpanzees (Pan troglodytes).