Ikiza ca SIDA gitegwa n'umugera wa VIH cayogoje Afrika yo munsi y'ubugaragwa bwa Sahara mu myaka ya 1980, catumye gufasha abageze ku mpfiro kugabanirizwa ubuabbare biba ivyihutirwa Ibigwara vya cancer vyanduruka kuri uwo mugera ntivyatumbera abasaza, ahubwo abakiri bato bakirangura amabanga y'abubatse.
