"hambisa isatifiketi sokugonyelwa i-yellow fever ukubangaba uhambe okanye ujonge ukusuka okanye ukunqumla nqo kummandla othandwa yi-yellow fever esi satifiketi asiyi kufuneka xa uhambe okanye ujonge ukugqitha nqo kuloo mmandla okanye xa isicelo senziwe emzantsi afrika"