Gukaraba intoki nuburyo bukwiye bwo gukumira kuri Covid-19. Inzira yukuri yo gukaraba intoki ni kuri Watt hamwe nisabune n'amazi kugirango ukureho virusi. Ariko, nta mazi atemba aho ukorera. Noneho urashobora guhitamo igiteranyo cyintoki. Abashitsi bakunzwe nibiro, inganda, ubwato, hamwe nibindi bice occours occours. Guhitamo Yunboshi intoki Sasuizer igufasha kwirinda kurwara no gukwirakwiza mikorobe. Mu gushyira unboshi intoki zawe ushobora kunoza imbaraga z'abantu no gukora ibiro bishinzwe ubuzima bwiza.