Inama igaragara ku rubuga rwa OMS ivuga ku byiciro bitatu by'imyaka: Abana bafite imyaka 12 kuzamura bakwiye kwambara agapfukamunwa ahantu hamwe n'aho abakuru basabwa ku kambara, by'umwihariko igihe badashoboye gusiga intera ya metero nibura imwe hagati y'abo n'abandi, kandi aho hantu habaka hari ubwandu bwinshi; Ku bana bafite hagati y'imyaka itandatu na 11, OMS ibagira inama yo kuzirikana uko ubwandu bumeze aho bari kandi niba umwana ari kugira aho ahurira n'abantu bafite ibyago byinshi byo kwandura nk'abageze mu zabukuru.
