Imwe nyanzvi mune zvehutano vachidzidzisa zvehutano paNottingham Trent University kuBritain , Doctor Mathew Nyashanu , vari kukurudzirawo veruzhinji kuti vasimbe kutevera mitemo yekudzivirira kupararira kwechirwere cheCovid - 19 yakatarwa nebazi rezvehiutano pamwe nemitemo yeWorld Health Organisation , W - H - O .