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an avian

an avian

an avian

an avian

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2

These seemingly subtle mutations may represent the minimal change necessary to allow an avian-type HA to bind to mammalian-type receptors .

这些看起来微小的突变，可能就是让禽类的 HA 蛋白能够与哺乳类细胞受体结合的最基本要求。

4

Granted, I've only mentioned baboons and starlings, but there you've got a mammalian representative and an avian one.

虽然我只是提到了狒狒和八哥，但是它们是哺乳动物和禽类的代表。

6

In January 2004, WHO issued the first reports about the appearance of an avian influenza virus with the potential to cause a pandemic.

世界卫生组织于 2004年1月发布了关于禽流感病毒出现的第一批报告，指出它有可能引发流行病。

8

In two of the 1918 isolates , this receptor-binding site differs from an avian form by only one amino acid building block .

我们分离出来的两个 1918年病毒 HA ，其受体结合位置与禽类病毒的相比，只有一个胺基酸不同。

10

China developed an avian influenza vaccine for poultry in 2005 and inoculates millions of birds annually.

中国于 2005年研发出一种家禽用禽流感疫苗，每年给几百万只家禽或野生鸟类注射疫苗。

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