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abstractpubmed· Abstract 2021· item PMID:34545794
Multiple Transmission Chains within COVID-19 Cluster, Connecticut, USA, 2020 In fall 2020, a coronavirus disease cluster comprising 16 cases occurred in Connecticut, USA. Epidemiologic and genomic evidence supported transmission among persons at a school and fitness center but not a workplace. The multiple transmission chains identified within this cluster highlight the necessity of a combined investigatory approach.