West Nile sub-region
West Nile sub-region (previously known as West Nile Province and West Nile District) is a region in north-western Uganda that consists of the districts of Adjumani, Arua, Koboko, Maracha-Terego, Moyo, Nebbi and Yumbe. The sub-region received its name from being located on the western side of the White Nile. Military leader and former president of Uganda, Idi Amin, first gained prominence in the West Nile region before staging a military coup and usurping Milton Obote in 1971.
Name in virology
In 1937, during research on yellow fever, a previously unknown virus was isolated in samples taken from a feverish woman. It was subsequently designated West Nile virus.