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。
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.
文明发祥地，魅力母亲湖——中国•青海湖！
Birthplaces of civilization, charming mother Lake - China? Qinghai Lake!
青海湖是中国最大的一个盐湖。
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