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目的 H7N9型禽流感病毒于中国上海地区2月首次感染发病至今,确诊130人感染;36人死亡,36人几乎都死于肺炎合并呼吸功能衰竭或其他器官功能衰竭。分布于10省(市)的67个县区。病例以老年人为主,男性多于女性;同时,老年人病死比例也较高。死亡病例的发病日期主要在2013年4月17日以前。传染源目前尚不明确,根据以往经验及本次病例流行病学调查,推测可能为携带H7N9禽流感病毒的禽类及其分泌物或排泄物。是否由家禽传染人,证据尚未确定。
PURPOSE The H7N9 strain of avian influenza virus (H7N9) has been diagnosed in 130 people since its initial infection in February in Shanghai, China. Thirty-six people have died and almost 36 have died of pneumonia with respiratory failure or other organ failure. Distributed in 10 provinces (cities) 67 counties. The cases are mainly elderly people, more men than women; the same time, the proportion of elderly people is also higher mortality. The death date of the disease mainly in April 17, 2013 before. The source of infection is not yet clear. Based on past experience and epidemiological investigation of this case, it is speculated that the bird may be infected with the H7N9 bird flu virus and its secretions or excretions. Whether poultry is infected or not, the evidence has not been confirmed.