2月21日，全国大部分省份及相应行政单位开始降低公共卫生突发事件响应级别。
Feb 21: Most provinces and equivalent administrative units started to lower their public health emergency response level.
李先生对八月份北京奥运会之前或期间可能发生的“突发事件”提出警告。
Mr Lee warned of "unexpected incidents" arising before or during the Beijing Olympics in August.
突发事件委员会于2010年2月23日以电话会议方式举行了第七次会议。
The Emergency Committee held its seventh meeting by teleconference on 23 February 2010.
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