T-pos. e Trypanosome-positive; NP e National Park; FR e Forest Reserve; % e prevalence; sanctuary ND e not determined (from sanctuary); DRC e Democratic Republic of
Congo. Western chimpanzee e Pan troglodytes verus, Eastern chimpanzee e Pan t. schweinfurthii, Chimpanzee e Pan troglodytes, Western lowland gorilla e Gorilla gorilla
gorilla, Western red colobus e Piliocolobus badius, Pennant's red colobus e P. pennantii, Black-and-white colobus e Colobus polykomos, Sooty mangabey e Cercocebus atys.
a Several samples were collected from one individual.