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1·Therefore, it is very important and necessary to check the HPAI seral antibody level.

因此对野生鸟类高致病性禽流感血清抗体水平进行检测，就显得十分重要和必要。

2·I think my seral IHC studies are the most detailed and the most large studies in the world.

我认为我的几个研究是目前最详细最大宗病例的研究。