Unique Clusters of Severe Acute Respiratory Syndrome Coronavirus 2 Causing a Large Coronavirus Disease 2019 Outbreak in Hong Kong.

To, Kelvin Kai-Wang; Chan, Wan-Mui; Ip, Jonathan Daniel; Chu, Allen Wing-Ho; Tam, Anthony Raymond; Liu, Raymond; Wu, Alan Ka-Lun; Lung, Kwok-Cheung et al. · Clin Infect Dis · 2021

basic_science · Level V

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Abstract

After 2 months of relative quiescence, a large coronavirus disease 2019 outbreak occurred in Hong Kong in July 2020 after gradual relaxation of social distancing policy. Unique severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) phylogenetic clusters have been identified among locally acquired cases, with most genomes belonging to cluster HK1, which is phylogenetically related to SARS-CoV-2 reported overseas.

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