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??? 挪威衛(wèi)生部門專家21號稱,該國出現(xiàn)的甲流變異病毒能夠侵入肺部深處,從而加重患者癥狀。不過,疫苗和抗病毒藥物對變異病毒依然有效。對此,世衛(wèi)組織發(fā)言人21號重申,流感病毒變異病例屬偶發(fā)和自發(fā)現(xiàn)象,并未造成感染人數(shù)的突增或者重癥和死亡病例的增加。類似的病毒變異先前在美國、墨西哥、烏克蘭、日本、巴西等國也發(fā)現(xiàn)過。世衛(wèi)組織正在評估這種變異可能對公共衛(wèi)生造成的影響。

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A?potentially significant mutation in the H1N1 influenza strain could be responsible for causing more serious illness. The mutation was discovered by the Norwegian health authorities.

?"This mutation makes?it possible for the virus to fascinate itself?or infect deep into the?lung and therefore provide for a more serious?progression for the?disease."

The mutation was found in the bodies of two people killed by the virus and one person who is seriously ill. Norway has in reletively more fatalities in the?flu pandemic with 23 confirmed death. But?the authority say the mutation virus was unlikely to circle in the population.