They exposed live ones to either the smell of their dead brethren or an ethanol control.
他们在活的七鳃鳗前释放它们死去的同胞的气息或者一种乙醇制剂。
The greatest danger to humans is handling through infected birds, whether live or dead, including plucking their feathers.
对于人类而言,最大的危险是用手处理被感染的禽类(包括采摘羽毛)这与他们是否死亡无关。
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