Hints:
E. coli
David Weber
University of North Carolina at Chapel Hill
salsa
Salmonella
United States
校稿 雨尽无言
翻译 shellyray163
组长 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.…
当政府卫生官员注意到因食物中毒病倒的人数不同寻常时，他们所做的第一件事就是检查他们最近所吃的东西。一般大肠杆菌会在三到四天内使人致病，但也有可能是一周或是更长时间。这也反应出了第一个问题。 大卫•韦伯是位于教堂山的北卡罗莱纳大学的流行病学专家。他问道：“你能告诉我在五月三十号你晚餐吃的是什么吗？”…