Chivakashure chokuti ureya chiri kutodzaniswa nezwi rinoti kareya (blemish, flaw) rinoreva chiro chinonyangadza kana kushatisa panhu - takanangana nehurapi chinenge chiri chinhu chinokanganisa hutano hwemuviri kana chapinda. Chivakamberi chokuti bara- chiri kutodzaniswa nezwi rinoti Kupara (Set-up, Establish, Found) rinoreva kuvamba knap kudzika sangano, nzanga kana Kereke. Takanangana nehurapi baraureya ndicho chipenyu chiri kukonzeresa kuti muviri uburitse madzivaureya – antibodies. Apa kureva kuti baraureya riri kudenha kubuda kwedzivaureya.