outbreak beginning 开始 ; 爆发
As of 19 July the Ministry of Health of Angola has reported 15 cases of wild poliovirus type 1 (WPV1) since the beginning of 2010, signalling an expansion of an ongoing outbreak.
截至7月19日，安哥拉卫生部自2010年初以来已经报告发生了15例1型野生脊髓灰质炎病毒病例，这表明正在发生的疫情有所扩大。
From the beginning of the outbreak, the world's top scientists set aside competition and worked together, in a virtual laboratory, around the clock. They identified the virus within a month.
从疫情刚暴发起，世界顶尖的科学家们同心协力，建立了昼夜运转的全球实验室网络，在一个月内就查明了病毒。
They are also closely related to viruses isolated from the large outbreak in migratory birds that occurred at the Qinghai Lake nature reserve in China, beginning in late April of last year.
它们也与从去年4月下旬开始发生在中国青海湖自然保护区候鸟中大暴发分离出的病毒密切相关。
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