Federal and state officials spar over measles response, as a woman dies in Pennsylvania due to virus | CNN

Public Health Physician Dr. Chris Pernell joins Audie Cornish to discuss what she calls an "almost total collapse" of public health infrastructure in the U.S.

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公共卫生医师克里斯·珀内尔博士与奥迪·科尼什一起探讨了她所说的美国公共卫生基础设施“几乎完全崩溃”的问题。

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