Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to o'nyong-nyong virus: O'nyong-nyong fever
a virus of the genus Alphavirus, in the family Togaviridae, found in Uganda, Kenya, and the Republic of Congo, which causes o'nyong-nyong fever.
An Alphavirus found in central Africa that causes epidemic fevers, joint pains, and swollen glands. The virus is transmitted to humans by mosquito bite.
See also: virus