There are a lot of reasons to believe that kids need to be exposed to things to keep their immunity complex, so that should they encounter something very dangerous, they have aspects of their immunity that might cross over and help protect them against those things, says Sara Sawyer, a professor of molecular, cellular and developmental biology at the University of Colorado Boulder.
Pane zvikonzero zvakawanda zvekuti titende kuti vana vanofanirwa kuregwa vachisangana nezvirwere kuitira kuti masoja emumiviri yavo arambe akasimba achiita mabasa akawanda asingajairirwe nezvirwere, kuitira kuti kana vakasangana nechirwere chinenjodzi huru vane zviri mumasoja avo zvinogona kukurumidza kuyambukira kune chirwere ichi zvigomisidzana nacho zvichirwira vana ava anodaro Sara Sawyer, muzvinafundo munezvekunzvera kushanda nekukura kunoita twumamapazi twuri muropa yemumiviri yevanhu twunoita mitezo yavo ikure uye ichirwisana nezvirwere pa University of Colorado Boulder.