But if the toxicity has already built up so that the germs are in a locality's water and food then you really have a major problem, "says Liu Cheng-i, head of the Department of Infectious Diseases at the Taiwan Veterans 'General Hospital. Every year cases of cholera can be found around the world. Even countries with high standards of prevention have a period of prevalence.
但若是因毒性累積而成的本土性霍亂菌，污染飲水、食物，造成流行的可能性就大得多」，台北榮民總醫院感染科主任劉正義解釋，為什麼全世界每年都有霍亂病例，而防疫工作達相當水準的國家，卻有一定流行周期。