Genetic differentiation and diversity of SARS-CoV-2 Omicron variant in its early outbreak
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Genetic differentiation and diversity of SARS-CoV-2 Omicron variant in its early outbreak

05/08/2022 Compuscript Ltd

https://doi.org/10.1016/j.bsheal.2022.04.004

More mutations have been carried by the SARS-CoV-2 Omicron variant than previously reported variants. However, the genetic differentiation and diversity within Omicron variant that occurs during its early spread remains unclear.

At the end of 2021, a new SARS-CoV-2 variant Omicron appeared in South Africa. It had 50 consensus mutations, of which 31 mutations were in theS protein. Omicron had remarkable immune evasion ability and extremely fast transmission speed. As the infection cases increase, there is currently a large number of genome sequences from the early stage of the Omicron outbreak.

In this article the authors comprehensively analyse the genetic differentiation and diversity of the Omicron variant during its early outbreak. More deletions on Omicron genome were accumulated than other four SARS-CoV-2 variants in the same timescale. Seven new notable non-synonymous mutations emerged in addition to 50 known consensus mutations. The rapid spread of the Omicron variant might lead to its high genetic differentiation and diversity in the population.

This study shows that Omicron had remarkably rapid genetic differentiation and mutational diversity with its rapid spread. In conclusion more attention should be paid to the emerging Omicron sub-lineages in disease prevention and control.

Keywords: SARS-CoV-2, Omicron, Genetic diversity
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Biosafety and Health is sponsored by the Chinese Medical Association, managed by National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC).
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CiteScore:4.8

ISSN 2590-0536

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Article reference: Shenghui Weng, Jingzhe Shang, Yexiao Cheng, Hangyu Zhou, Chengyang Ji, Rong Yang, Aiping Wu, Genetic differentiation and diversity of SARS-CoV-2 Omicron variant in its early outbreak, Biosafety and Health, Volume 4, Issue 3, 2022, Pages 171-178, ISSN 2590-0536, https://doi.org/10.1016/j.bsheal.2022.04.004
Shenghui Weng, Jingzhe Shang, Yexiao Cheng, Hangyu Zhou, Chengyang Ji, Rong Yang, Aiping Wu, Genetic differentiation and diversity of SARS-CoV-2 Omicron variant in its early outbreak, Biosafety and Health, Volume 4, Issue 3, 2022, Pages 171-178, ISSN 2590-0536, https://doi.org/10.1016/j.bsheal.2022.04.004
05/08/2022 Compuscript Ltd
Regions: Europe, Ireland, Asia, China, Africa, South Africa
Keywords: Health, Medical, Covid-19, Covid-19

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