AI virus genes have been thought to be the principal gene reservoir and the cause of changes of human influenza virus.

A型禽流感病毒历来被认为是人类流感的最大基因库，是人流感病毒发生变异的新基因来源。

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The Ministry of Health of Indonesia has announced a confirmed case of human infection with avian influenza a (H5N1) virus.

印度尼西亚卫生部宣布发生了一起新的人感染甲型H5N1禽流感病毒确诊病例。

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Laboratory tests conducted at Turkey's national influenza centre in Ankara have confirmed an additional case of human infection with the H5N1 avian influenza virus.

在安卡拉的土耳其国家流感中心进行的实验室检测已确认另1例人感染H5N1禽流感病毒病例。

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Health officials in Mexico and the United States were puzzled by a virus that combined elements of swine, avian and human influenza.

VOA: standard.2009.12.25

The virus that is contagious between humans does not yet exist (or it may just have come into being inside a young person in China who contacted both vH7N9 and a human influenza A virus to which they were not immune).

FORBES: Urgent Warning On New Bird Flu H7N9: Could Pose Global Threat

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

Experiments in Germany tested 22 flavonoids on human lung cells infected with the H5N1 influenza A virus.

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