Vana vanoenda kuchikoro chechikoro chekutengesa havasi pangozi yekutambura nekenza yeropa, masayendisiti
Masayendisiti anobva kuYunivhesiti yeCalifornia akagumisa kuti mikana yekuropafadzwa neukemia yakaderedzwa mumamiriro ezvinhu akadaro anenge anenge matatu, ichiongorora vana makumi maviri. Kusurukirwa kwekenza yeropa kunogona kukura nekuda kwezvirwere zvakawanda izvo vana vanowanzopachivirirana kubva kune mumwe muchechi chechiergergens. Uye zvinogoneka kuti mune ramangwana mwana achava akaoma zvikuru kana mumakore ake okutanga utachiona hwemucheche huri pasi pehothouse. Maererano nehuwandu, imwe yevana 20 000 inotapukirwa neukemukemia, iyo yakanyanya kufanana nekenza yemucheche munyika dzakabudirira.