美卫生官员周六称，一名心脏有隐疾的男子成为了美国第三名感染猪流感死亡的人。

A man with underlying heart conditions became the third person infected with swine flu to die in the U. S., health officials said Saturday.

youdao

几位权威流行病学家发出警告，尽管新的猪流感疫苗效果远超预期，但疫苗出现得太迟，在这个季节将无法阻挡疫情在全(美)国爆发。

Several prominent epidemiologists are warning that even though the new swine flu vaccine works much better than expected, it will still come too late to blunt the peak of this season's pandemic.

youdao

我告诉你们猪流感有多恐怖哦，今天早些时候，美国放倒了美墨边境的墙，换成了一个超级能打喷嚏的警卫。

Give you an idea how bad it is with the swine flu, earlier today, the U. S. took down the wall between the United States and Mexico and replaced it with a giant sneeze guard.

youdao