Hints:
E. coli
David Weber
University of North Carolina at Chapel Hill
salsa
Salmonella
United States
校稿 雨盡無言
翻譯 shellyray163
組長 莜珍
When public health officials notice an unusual number of people coming down with food poisoning, the first thing they try to do is find out what they all ate recently. E. coli usually takes three or four days to make a person sick, but it may take a week or more. And that presents the first problem.…
當政府衛(wèi)生官員注意到因食物中毒病倒的人數不同尋常時,他們所做的第一件事就是檢查他們最近所吃的東西。一般大腸桿菌會在三到四天內使人致病,但也有可能是一周或是更長時間。這也反應出了第一個問題。 大衛(wèi)?韋伯是位于教堂山的北卡羅萊納大學的流行病學專家。他問道:“你能告訴我在五月三十號你晚餐吃的是什么嗎?”…