In Shandong province, the primary and junior high school teachers' training mainly regards closing, definite training patterns as principle currently.

目前山东省中小学教师的培养以封闭、定向型模式为主。

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Dr. Richard Besser, the CDC's acting director, said that closing schools in a pandemic has a definite benefit.

CNN: Second U.S. death linked to swine flu, officials say