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自从WHO有记录人禽流感(H5N1)感染病例以来已有三年了。到2006年4月30日为止全球共发现实验室证实病例206例,其中90%以上的病例年龄<40岁,病例总病死率为56%,从发病到住院治疗平均间隔时间4天,从发病到死亡的平均时间为9天。
It has been three years since the WHO recorded a case of human bird flu (H5N1) infection. As of April 30, 2006, a total of 206 laboratory confirmed cases were found in the world. Over 90% of the cases were aged <40 years old and the total case fatality rate was 56%. From the onset to the average interval of hospitalization for 4 days, The average time to death is 9 days.