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Epidemic Flu Origin Traced To Asia

机译:流行性感冒起源于亚洲

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Whether you are in Australia, America, or Argentina, if you have the flu, your case most likely came from the same place. A study published in Science in April mapped the virus's spread across the globe and found that every epidemic of the major strain of Influenza A since 2002 could be traced back to eastern and Southeast Asia. "For probably 60 years, the path that viruses use to migrate around the world has been a mystery," University of Cambridge biologist Colin Russell says. By analyzing data gathered from 80 countries by the World Health Organization's Global Influenza Surveillance Network, he and his team found that the flu viruses continuously circulate among a group of countries including China, South Korea, Singapore, and the Philippines. An unwitting traveler picks up a strain from that pool and carries it to Europe, Australia, or North America, where it can cause an epidemic. From North America, a hardy strain can be relayed even farther, into Central and South America.
机译:无论您是在澳大利亚,美国还是阿根廷,如果您感染了流感,您的病例很可能来自同一地方。 4月份发表在《科学》杂志上的一项研究绘制了该病毒在全球的分布情况,发现自2002年以来,甲型主要流感病毒的每一次流行都可以追溯到东亚和东南亚。剑桥大学生物学家科林·罗素说:“大约60年来,病毒用于在世界范围内迁移的途径一直是个谜。”通过分析世界卫生组织全球流感监测网络从80个国家/地区收集的数据,他和他的团队发现流感病毒在包括中国,韩国,新加坡和菲律宾在内的一些国家/地区持续传播。不知情的旅行者从该水池中捡起毒株,并将其带到欧洲,澳大利亚或北美,在那儿可能引起流行病。来自北美的强壮菌株可以传播到更远的地方,进入中美洲和南美洲。

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