Fortunately, the swine flu that we're seeing still is a moderate disease that is behaving very much like ordinary seasonal influenza.

幸运的是，令人关注的猪流感病毒目前仍很温和，它与普通的季节性流感十分相似。

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Swine flu is a respiratory disease affecting pigs that is caused by type a influenza virus.

猪流感是由猪流感病毒引起的一种急性呼吸道传染病。

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Swine flu is a respiratory disease of pigs caused by influenza viruses that causes regular outbreaks in pigs.

猪流感是一种发生在猪身上的呼吸道传染病，由流感病毒引起，经常在猪群中爆发。

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Swine influenza, or flu, is a contagious respiratory disease that affects pigs.

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Swine flu is a respiratory disease of pigs caused by type A influenza, according to the CDC.

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Swine flu is a respiratory disease which is caused by a strain of the influenza type A virus known as H1N1.

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