时间:2017-05-08 点击: 次 来源:阳光畜牧网 作者:流感在线 - 小 + 大
This brings the total cumulative number of human infections with Asian lineage H7N9 reported by WHO to 1,421. Additional infections have been reported, but not yet publically announced by WHO. During epidemics one through four, about 40 percent of people confirmed with Asian H7N9 virus infection died. |
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