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H7N9型禽流感是一种新型禽流感,于2013年3月底在上海和安徽两地率先发现。H7N9型禽流感是全球首次发现的新亚型流感病毒,至2013年4月初尚未有疫苗推出。被该病毒感染均在早期出现发热等症状,至2013年4月15日尚未证实此类病毒是否具有人传染人的特性。2013年4月
H7N9 bird flu is a new type of bird flu which was first discovered in Shanghai and Anhui by the end of March 2013. H7N9 is the first new subtype of influenza virus found in the world and no vaccine has yet been released by early April 2013. Infected by the virus are early symptoms of fever and other symptoms, until April 15, 2013 has not confirmed whether this virus has the characteristics of human infection. April 2013