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served.In December 2019, a novel coronavirus disease (COVID-19) emerged in Wuhan, China and spread globally, resulting in the first World Health Organization (WHO) classified pandemic in over a decade.1 As of April 2020, the United States (US) has the most confirmed COVID-19 cases worldwide, but public health interventions and testing availability have varied across the country. 2. This article is protected by copyright. All rights reserved.We read with great interest the paper by Zhang and colleagues [1], describing the predictive value