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The current spread of a swine influenza virus has added to these concerns.
当前猪流感病毒的传播更增加了这些忧虑。
youdao
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Swine have been known to be a suitable host for influenza a virus.
猪是已经知道的A型流感病毒的一个合适宿主。
youdao
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Swine have been known to be a suitable host for influenza a virus.
猪是已经知道的A型流感病毒的一个合适宿主。
youdao