He retrieved them once he learned of the genetic similarity between the new swine flu and classical swine virus.

他听说新型猪流感病毒和传统猪流感病毒存在着基因相似性后，立即去找出了这些样本。

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Researchers discover that the swine flu virus binds far deeper in the lungs than ordinary flu, possibly explaining why it is sometimes fatal.

研究者发现，猪流感病毒比普通流感在肺更深部结合，这可以解释为什么它有时是致命的原因。

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In 2009, the "swine flu (猪流感) " was widely used before the official name, HINI virus, was announced.

2009年，官方名称 “H1N1” 公布前，“猪流感”是广泛使用的名称。

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Right now,as schools prepare to begin a new year, one concern is the H1N1 virus, often called swine flu.

VOA: special.2009.08.13

Since April,more than one thousand deaths have been reported from the H1N1 virus, commonly called swine flu.

VOA: special.2009.08.05

Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs.

VOA: special.2009.04.29

Dr Stephen Bridgman said Guernsey was not "complacent" and needed to carry out the extra tests because people with symptoms may find the flu carries strains of the swine virus in the background.

BBC: Island swine flu tests stepped up

The swine flu virus can have more serious effects on people living in poverty, the WHO says.

BBC: Flu hits Canada's native peoples

Three players at the club have been recovering from the swine flu virus.

BBC: Unwell Allardyce avoids players