Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuudzwa: Nzira dzekupfuudzwa nadzo dzinosanganisira kutapurirana nechokumusoro (sekuberekwa), kutapurirana nechokumusoro kwevana vachiri vaduku (kurumwa, kukuvara, uye tsika dzokuchenesa), uye kutapurirana nechokumusoro kwevanhu vakuru (kuita zvepabonde, kushandisa zvinodhaka nomutsinga). Nzira huru yekutapurirana inoratidza kuwanda kwehutachiona hweHBV husingaperi munharaunda yakati. Munzvimbo dzine vanhu vashoma vanorwara nechirwere ichi, dzakadai seUnited States neWestern Europe, kushandisa zvinodhaka zvisina kufanira nokuita zvepabonde zvisina kudzivirirwa ndizvo zvinowanzoshandiswa, kunyange zvazvo zvimwewo zvingavawo zvinokosha. Munzvimbo dzine chirwere ichi chakanyanya kupararira, dzinosanganisira Eastern Europe, Russia, neJapan, uko 2<unk>7% yevanhu vane chirwere ichi kwenguva refu, chirwere ichi chinonyanya kupararira pavana. Munzvimbo dzakanyanya kupararira dzakadai seChina neSouth East Asia, kutapurirana panguva yekusununguka ndiko kunowanzoitika, kunyange zvazvo mune dzimwe nzvimbo dzakanyanya kupararira dzakadai seAfrica, kutapurirana panguva yehuduku chinhu chinokosha. Kuwanda kwehutachiona hweHBV husingaperi munzvimbo dzakanyanya kupararira kuri pasi pe8% ne10<unk>15% kuwanda muAfrica/Far East. Kubva muna 2010, China ine vanhu vane mamiriyoni 120 vane utachiona, ichiteverwa neIndia neIndonesia dzine mamiriyoni 40 uye mamiriyoni 12, zvichiteerana. Maererano neWorld Health Organization (WHO), vanhu vanofungidzirwa kuva 600 000 vanofa gore rimwe nerimwe nemhaka yechirwere ichi. MuUnited States vanhu vanenge 19 000 vakabatwa nechirwere ichi muna 2011 zvichidzika ne90% kubva muna 1990.  Mubvunzo: Ndokupi kune HBV yakawanda pakuzvarwa?
China neSouth East Asia