Nagana, also called nagana pest or Animal African Trypanosomiasis, is a disease of vertebrate animals. The disease is caused by trypanosomes of several species in the genus ...
an infectious disease affecting horses and cattle in tropical Africa, caused by a trypanosome (Trypanosoma brucei) transmitted by the bite of infected tsetse flies
na·ga·na also n'ga·na (n-gä n) n. An often fatal disease of African ungulates caused by various species of trypanosomes and transmitted by the bite of the tsetse fly.