The food-poisoning case was caused by the consumption of ducks infected with the bacteria.
食物中毒是由于食用带菌鸭子所致。
Authorities say tests showed 800 ducks in the Mekong delta province of Vinh Long were infected with bird flu, but it is not immediately clear if they had the H5N1 strain of the virus.
有关当局说，检测结果显示，湄公河三角洲地区的永隆省有800只鸭子感染了禽流感病毒，但是目前还不清楚，它们感染的是不是h5n1型病毒。
Mice were trained to identify feces from bird-flu-infected ducks by smell.
老鼠经过训练后能通过气味识别出感染禽流感的鸭子的粪便。
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