Early notification of institutional outbreaks 及早呈报院舍内爆发的疾病
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Authorities hunting the source of a nationwide e - coli outbreak are focusing on nine california farms after discovering what could be a crucial clue - - an opened bag of spinach left in the refrigerator of someone sickened by the bacteria 在被大肠杆菌感染的患者的冰箱里找到一袋被打开的菠菜后,官方根据这一重要线索将在全国范围内爆发的大肠杆菌的源头锁定在九个加州的农场。