为了抵制猪流感，全国卫生研究所的疾病咨询热线和疾病预防控制中心监测系统本周有可能中断。
National Institute of Health's disease hotlines and CDC surveillance will likely be stopped so try not to catch swine flu this weekend.
全国疾病预防控制中心的数据显示:吸烟和抑郁之间看起来有很密切的关系。
The relationship between smoking and depression appears to be remarkably strong, according to data from the CDC's National Center for Health Statistics (NCHS).
新发现是基于美国各地的医院向全国医疗安全网提交的数据，这是疾病预防与控制中心的感染监测系统。
The new findings are based on data submitted by hospitals across the U. S. to the National Healthcare Safety Network, which is the CDC's infection monitoring system.
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