Shortages of masks, personal protective equipment (PPE), and ventilators characterized the early days of the COVID-19 pandemic crisis in the United States. As supply deficiencies strained healthcare systems across the country, national attention focused on the Strategic National Stockpile (SNS), overseen by the US Department of Health & Human Services-specifically, its inability to significantly alleviate rapidly deteriorating conditions in hospitals. While nominally a "stockpile," the SNS does not possess, operate, or restock a vast system of federally owned warehouses filled with enough medical equipment to weather a crisis. Instead, as summarized in a June 2020 RAND Corporation report and testimony to the US Congress, the program is primarily a logistics service that coordinates the flow of materials between state and local entities, and its own small stockpile was quickly overwhelmed by the demands of the pandemic.

中文翻译：

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COVID-19大流行病突显了对提高供应链弹性的美国政策的需求。

在美国，COVID-19大流行危机的初期是口罩，个人防护设备（PPE）和通风机的短缺。由于供应不足使整个美国的医疗体系紧张，因此，全国注意力集中在美国国家卫生与公共服务部监督下的国家战略储备（SNS），尤其是其无法显着缓解医院急速恶化的状况。虽然名义上是“库存”，但SNS并没有拥有，运营或补充庞大的联邦仓库，这些仓库装有足够的医疗设备以度过危机。相反，正如RAND公司2020年6月的报告和向美国国会的证言所总结的那样，