Detection of a BA.1/BA.2 recombinant in travelers arriving in Hong Kong, February 2022

Hongcang Gu,Daisy Y M Ng, Gigi Liu,Samuel Cheng,Pavithra Krishnan,Lydia Chang,Sammi Cheuk,Mani Hui, Tommy Tsan-Yuk Lam,J. S. Malik Peiris,Leo L. M. Poon

medRxiv (Cold Spring Harbor Laboratory)（2022）

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摘要

Abstract We studied SARS-CoV-2 genomes from travelers arriving in Hong Kong from November-2021 to February-2022. Apart from detecting Omicron (BA.1, BA1.1. and BA.2) and Delta variants, we detected a BA.1/BA.2 recombinant in two epidemiologically linked cases. This recombinant has a breakpoint near the 5’ end of Spike gene (nucleotide position 20055-21618).

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ba1/ba2,hong kong

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