因为此病毒含有一些与典型性猪流感病毒相同的特征性基因。世界动物卫生组织表示，称为北美流感更为合理。
The virus does contain some genetic characteristics in common with classical swine flu, but, as the OIE says, it would be more logical to call it North American flu.
好消息是，甲型h1n 1流感是在北美流感季节快要结束时出现的，病毒可能会逐步消失并在秋天再次出现，但这将给我们数个月的准备时间。
The good news is that H1N1 is hitting North America at the tail end of its flu season. It's possible that the virus may Peter out and re-appear next autumn, but that gives us months to prepare.
《科学》杂志刊登的论文中，这些科学家确认，与新病毒基因关系最密切的是源于北美和欧亚大陆的猪流感病毒。
In a paper published in Science, they confirm that the closest genetic relatives of the new virus are swine-flu strains from both North America and Eurasia.
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