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

  1. Haogao Gu
  2. Daisy YM Ng
  3. Gigi YZ Liu
  4. Samuel SM Cheng
  5. Pavithra Krishnan
  6. Lydia DJ Chang
  7. Sammi SY Cheuk
  8. Mani MY Hui
  9. Tommy TY Lam
  10. Malik Peiris
  11. Leo Poon
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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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