每个国家都有自己运行机制，暂，不议其优劣。在疾控方面因是影响全人类的，提供真实信息无比重要！！

来源: Calsh2007 于 2020-04-13 09:45:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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