In that way, "mixing is possible, resulting in a new type of virus, like the virus that is currently infecting people," Erickson said.

就样一来，“混合是可能的，结果就产生一种新的病毒，就像眼前传染人类的病毒一样。”埃里克森说。

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The reason flu keeps infecting us again and again is that the virus is constantly changing.

流感能够反复感染我们的原因在于病毒的不断变化。

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Scientists are investigating, on a molecular level, how the virus might mutate to become capable of infecting people more easily.

科学家们这正在研究禽流感病毒变得更容易使人感染的分子机理。

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So, Hepatitis is already infecting cells of their liver, their liver is actively making new virus.

乙肝病毒已经感染了他们的肝细胞,他们的肝脏正在迅速地产生新的病毒

耶鲁公开课 - 生物医学工程探索课程节选

Asset price inflation, an older term for irrational exuberance found in the writings of Austrian school economists, is a monetary virus infecting capital markets.

FORBES: Despair and Hope Beyond Chairman Bernanke's Monetary Cliff

The H7N9 strain previously was known only to infect birds, and officials say they do not know why the virus is infecting humans now.

NPR: WHO Talks With China On Sending Bird Flu Team

Most were later released, but the six Bulgarians, as well as eight Libyans and a Palestinian, were charged with intentionally infecting 393 children with the virus that cuases Aids.

BBC: Aids trial adjourned