chi·kun·gun·ya 
(chē′kn-gnyə)
(chē′kn-gnyə)n.
An acute infectious disease caused by a mosquito-borne virus, characterized by fever, rash, and joint pain, and seen primarily in Africa, India, and Southeast Asia. Also called chicken guinea disease.
[Makonde (Bantu language of the region of Tanzania where an epidemic in the 1950s led to the first medical description of the disease) : chi-, sing. n. pref. + -kungunyala, to become contorted, fold up (so called because joint pain causes sufferers from the disease to assume a hunched posture).]