Three pigs said hooray because the wolf was dead.

三只小猪欢呼，因为狼死了。

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He said the new virus had never been found in pigs in this country.

他说，这种新型病毒还没有在美国的猪身上发现。

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At least one of the companies said Wednesday it's developing a vaccination for pigs, which can contract the virus from infected people — in much the same way people do.

感染人的病毒也能感染猪猪与人传播方式大致相同，星期三至少有一个公司说他们开发了一种猪用疫苗。

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The government statement said that the number of pigs being salvaged from the river appeared to be decreasing.

BBC: China pulls nearly 6,000 dead pigs from Shanghai river

The researchers said they treated the rats and pigs immediately after a heart attack.

WSJ: Nanotechnology Holds Promise for Heart Patients

Officials said the pigs may have been infected by a Canadian farmer who recently returned from a trip to Mexico, the epicenter of the outbreak.

CNN: Confirmed cases of H1N1 virus approach 900