The treatments approved for shipment to Uganda were Mapp Biopharmaceutical's ZMapp, Regeneron Pharmaceuticals Inc's Regeneron and Remdesivir, made by Gilead Sciences , said WHO spokesman Tarik Jasarevic.
Bunia is the second-largest city in eastern Congo to confirm a case of the haemorrhagic fever during the current outbreak, which was declared last August and is believed to have killed 610 people and infected 370 more to date.
Four years of clashes between militias representing the Luba, a Bantu ethnic group, and Twa pygmies in Tanganyika province have killed hundreds of people and forced thousands to flee into neighbouring Zambia.
The United Nation's Organization Stabilization Mission in the Democratic Republic of the Congo or MONUSCO peacekeeping mission had previously spoken of "more than 400 dead" while about 1.3 million people are estimated to have fled their homes in the Kasai provinces.
Nadia Murad, a survivor of sexual violence by the Islamic State, and Dr Denis Mukwege, a gynecological surgeon, were awarded the Nobel Peace Prize for their campaigns against the use of rape as a weapon of war.