他们设立了一个特别工作组来调查这个问题。

They set up a working party to look into the issue.

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在1999年后期最初的调查之后，工作组通过公布到数据库和每周的电话会议，在2000年合作开发出这种体系结构。

After an initial investigation in late 1999, the workgroup developed the architecture collaboratively during 2000 through postings to a database and weekly teleconferences.

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由卫生部、畜牧水产部和世卫组织国家办事处人员组成的一个工作组正在进行调查，以证实她的感染源。

A team from the Ministry of Health, the Ministry of Livestock and Fisheries and the WHO Country Office are conducting investigations to confirm the source of her infection.

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