{"0f72865d-fe3e-4163-918f-27e7c84781c3": "This article describes a large SARS-CoV-2 outbreak involving an acute care hospital emergency department during December 2020 and January 2021, in which 27 healthcare personnel worked while infectious, resulting in multiple opportunities for SARS-CoV-2 transmission to patients and other healthcare personnel. Included in this article are recommendations for improving infection prevention and control.", "8e258b49-53ff-4566-8088-a5161e4a62cc": "SARS-CoV-2 Outbreak Investigation in a Hospital Emergency Department — California, December 2020 – January 2021"}