Nzira huru yekutapurirana inoratidza huwandu hwehutachiona hweHBV husingaperi munzvimbo yakapihwa. Munzvimbo dzine huwandu hwakaderera senge nyika dzeUnited States neWestern Europe, kubaya jekiseni rekushandisa zvinodhaka uye bonde risina kudzivirirwa ndiyo nzira huru, kunyangwe zvimwe zvinhu zvingave zvakakosha. Munzvimbo dzine huwandu hwakaringana, dzinosanganisira Eastern Europe, Russia, neJapan, uko 2<unk>7% yevagari vane hutachiona husingaperi, chirwere ichi chinonyanya kupararira pakati pevana. Munzvimbo dzine huwandu hwakadai seChina neSouth East Asia, hutachiona hunonyanya kupararira panguva yekuzvara, kunyangwe paine huwandu hwakanyanya hwekupararira kwehutachiona hweHBV mune dzimwe nzvimbo dzakadai seAfrica, huwandu hwehutachiona hwehutachiona hweHBV hwakanyanya panguva yehucheche. Sekureva kweWorld Health Organisation, hutachiona hweHBV hunowanikwa muChina neIndia gore rega rega kubva pagumi kusvika pagumi, uye huwandu hwehutachiona hwehutachiona hweHBV hunowanikwa muIndia.
China neSouth East Asia