The outbreak in Igdir and other suspected outbreaks in this part of the country are thought to have occurred following introduction of the virus by migratory birds.
在伊迪尔的暴发以及在该国这一地区的其它疑似暴发被认为是在候鸟将该病毒传入之后发生的。
The outbreak in Igdir and other suspected outbreaks in this part of the country are thought to have occurred following introduction of the virus by migratory birds.
在伊迪尔的暴发以及在该国这一地区的其它疑似暴发被认为是在候鸟将该病毒传入之后发生的。
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