Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Zvose zviri zviviri kudzivirirwa kwokuzvarwa nako uye kuchinjika kunotsamira pakukwanisa kwesangano rokudzivirira zvirwere kusiyanisa pakati pemamolekyu ayo pachayo neayo asiri ayo. Muzvokurwisa zvirwere, ma"self molecules" ndiwo anoumba muviri womunhu anogona kusiyaniswa nezvinhu zvisingazivikanwi nemuviri. Zvakare, mamorekuru asiri awo ndiwo anozivikanwa semamorekuru okune dzimwe nyika. Rimwe boka remamolecule asiri ayo pacharo rinonzi maantigen (short for antibody generators) uye rinotsanangurwa sezvinhu zvinosunga kune mamwe ma immune receptors uye zvinokonzera immune response.Vana vachangoberekwa havana kumbobvira vabatwa nemabhakitiriya uye vanonyanya kubatwa nechirwere. Madzimai anopa dziviriro yakati wandei. Mukati mokubata pamuviri, rudzi rwakati rwomuviri unorwisa utachiona, runonzi IgG, runotakurirwa kubva kuna mai kuenda kumwana zvakananga nomumhino, naizvozvo vacheche vevanhu vane mwero wakakwirira wemiviri inorwisa utachiona kunyange pakuzvarwa, vane mwero mumwe chetewo weantigens chaiwo saamai vavo. Mukaka waamai kana kuti colostrum unewo maantibody ayo anoendeswa mudumbu romwana uye anodzivirira utachiona kusvikira mwana achangoberekwa agona kugadzira maantibody ake. Uku ndiko kudzivirirwa kunonzi passive immunity nokuti mwana ari mudumbu haanyanyi kugadzira masero okuyeuka kana kuti masoja anorwisa utachiona - anongokwereta chete. Kuzvidzivirira uku kunowanzova kwenguva pfupi, kunotora kubva pamazuva mashomanana kusvika kumwedzi inoverengeka. Muzvokurapa, kudzivirira kusadzivirirwa kunodzivirira kunogonawo kupfuudzwa nenzira yokunyepedzera kubva kune mumwe munhu kuenda kune mumwe kupfurikidza neserum ine antibody yakawanda.  Mubvunzo: Mwana ari mudumbu anowana sei masero okuyeuka?
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