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H1N1病毒一直存在于自然界,它是一种非常容易感染也非常容易变异的病毒。自从第一例确诊病例开始,甲型H1N1流感病毒就接连溜入国门。受当前检测手段的限制,对于藏匿于人体内的病毒来讲,中国同样是一个不设防的国度。病毒的进入路线大致是:从北京、上海等地进入国内,然后再通过多种交通方式输送到全国各地。
H1N1 virus has always existed in nature, it is a very easy to infection is also very easy to mutate virus. Since the first confirmed case, the H1N1 influenza virus slipped into the country one after another. Due to the limitations of current testing methods, China is also an undefended country for the viruses hiding in the human body. The virus enters the line roughly: from Beijing, Shanghai and other places to enter the country, and then transported through a variety of modes of transport throughout the country.