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2013年3月中国疾病预防控制中心首次从患者标本中分离到一种新的重组基因的新型人类感染甲型流感H7N9禽流感病毒,确定在上海、江苏、浙江等地发生了人感染H7N9禽流感疫情。2014年全国疫情涉及区域不断扩大,防控形势严峻。由于这是一种新基因重组的流感病毒,目前对传播途径和传染能力的认识尚不明确,各地比较一致的共识是关闭活禽交易市场,切断传播途径,控制疫情蔓
In March 2013, China’s Center for Disease Control and Prevention first isolated a new recombinant human H7N9 influenza A virus from human patient samples and determined that human infection with H7N9 bird flu occurred in Shanghai, Jiangsu and Zhejiang provinces epidemic. The areas covered by the national outbreak in 2014 continued to expand, and the prevention and control situation was grim. As this is a novel recombinant DNA virus, the current understanding of transmission routes and transmission capacity is not yet clear. The consensus of consensus around the world is to close the live poultry market, cut off the transmission route and control the spread of the outbreak