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Coronavirus disease 2019 (COVID-19), the disease caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is the most devastating infectious disease in a century.1 Rapid transmission of the virus across the U.S. since January 2020 was fueled by the continued travel-associated asymptomatic and presymptomatic importation, community spread through large gatherings, introductions into high-risk workplaces and densely populated areas, and limited diagnostic testing hindering containment.
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Allegrante et al. (2020) studied this question.
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