 Inama igaragara ku rubuga rwa OMS ivuga ku byiciro bitatu byimyaka: Abana bafite imyaka 12 kuzamura bakwiye kwambara agapfukamunwa ahantu hamwe naho abakuru basabwa ku kambara, byumwihariko igihe badashoboye gusiga intera ya metero nibura imwe hagati yabo nabandi, kandi aho hantu habaka hari ubwandu bwinshi; Ku bana bafite hagati yimyaka itandatu na 11, OMS ibagira inama yo kuzirikana uko ubwandu bumeze aho bari kandi niba umwana ari kugira aho ahurira nabantu bafite ibyago byinshi byo kwandura nkabageze mu zabukuru. 