 26 Ukwicenda 2016 Ahavuye isanamu, Science Photo Library Insiguro yisanamu, Ibice 50 vyivyo umuntu asohoka biba bigizwe nutunyabuzima uva mu nda Abashakashatsi bari basanzwe bazi ko abantu badafise ubwoko butandukanye bwizo bacteries mu mubiri, bashobora kugira ikibazo cubuvyibuhe burenze urugero. 