After preliminary investigations, it was concluded this month that the cause is not seasonal influenza but rather an entirely new hybrid strain composed of pig, bird and human viruses.
初步调研后的结论表示，这些病症并非季节性流感所致，而是因为一种由猪、鸟、人类病毒组成的全新杂交病毒链。
Tube strain is first fixed, and after killing hybrid fungi, cooling, cutting strain volva, the strain is transplanted to new culture medium before a cotton cover is plugged.
其转接方法是：先固定试管菌种，经杀灭杂菌并冷却，划割菌种托(钩)菌块后转接新培养基，插盖棉塞。
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