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从3月31日至开始,我国局部地区先后确诊了一些人感染H7N9禽流感病例,其中有一小部分患者死亡。因为这是中国在全球首次发现的人感染H7N9禽流感疫情,引起广泛关注。中国疾病预防控制中心专家指出,公众对于这一新发疫情应该高度警惕,但也不必恐慌。什么是H7N9禽流感病毒?禽流感是由甲型流感病毒的一种亚型引起的急性传染病。在禽流感病毒中,H和N分别代表病毒外膜的血凝素(H)和神经氨酸酶
From March 31 to the beginning, some people in some areas of China have confirmed some cases of H7N9 bird flu and a small number of them have died. Because this is the first case of human infection with H7N9 in China found in the world, arousing widespread concern. Experts from the Chinese Center for Disease Control and Prevention pointed out that the public should be highly vigilant about this new outbreak but do not have to panic. What is H7N9 bird flu virus? Bird flu is an acute infectious disease caused by a subtype of influenza A virus. In the avian influenza virus, H and N represent the hemagglutinin (H) and neuraminidase