A new influenza virus is spreading across the globe.

一种新型流感病毒正在全球蔓延。

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No new influenza virus subtypes have been detected in humans.

没有在人类发现流感病毒新变种。

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The "swine flu, " or H1N1, is a new influenza virus first detected in people in the United States in April 2009.

猪流感，也被称为H1N1，是一种新型的流感病毒，在2009年4月首先在美国人群中查出。

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His team is also attempting to produce new food oils and make synthetic parts of every known influenza virus.

VOA: special.2010.07.20

More than twenty countries have found cases of the new H1N1 influenza virus.

VOA: special.2009.05.06

The new virus led to patterns of death and illness not normally seen in influenza infections.

VOA: standard.2010.04.29

Since neither of the two children, a 10-year-old boy and a 9-year-old girl, had contact with pigs, it "increases the possibility that human-to-human transmission of this new influenza virus has occurred, " according to a CDC report.

CNN: CDC: Swine flu seen in 2 California children

We shouldn't be seeing this much influenza and it's with a new virus and that's the cause fo the concern.

CNN: 2 U.S. swine flu dead had other health problems, officials say

The new virus has genes from North American swine influenza, avian influenza, human influenza and a form of swine influenza normally found in Asia and Europe, said Nancy Cox, chief of the CDC's Influenza Division.

CNN: Among the swine flu mysteries: Why only deaths in Mexico?