The new web and phone service is only being launched in England as the airborne flu virus has not spread at the same rate in Scotland, Wales and Northern Ireland.

新开通的网站和热线只能在英格兰连接。 在苏格兰、威尔士和北爱尔兰，流感病毒并没有传播的那么快。

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The new web and phone service is only being launched in England as the airborne flu virus has not spread at the same rate in Scotland, Wales and Northern Ireland.

新开通的网站和热线只能在英格兰连接。在苏格兰、威尔士和北爱尔兰，流感病毒并没有传播的那么快。

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There would have to be some sort of airborne pathogens that spread the virus.

这里可能有许多靠空气传播的病原体携带病毒。

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The researcher also looked at studies dating back to the 1940s of airborne flu virus survival.

CNN: Study: Humidifiers may help fight flu

His group will attempt to nail down exactly how many mutations - and which - are sufficient to make the H5N1 avian flu virus airborne, and whether these particular mutations can also make other bird flu viruses airborne.

CNN: Bird flu research resumes -- but not in U.S.

While the Nature study looked at how a bird flu virus could become airborne through mutations and re-assortment with other viruses, the Science study suggests mutations alone could do the trick.

CNN: Bird flu research resumes -- but not in U.S.