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. 2023 Jan 10;4:e42700. doi: 10.2196/42700

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©Ashutosh Kumar, Adil Asghar, Himanshu N Singh, Muneeb A Faiq, Sujeet Kumar, Ravi K Narayan, Gopichand Kumar, Prakhar Dwivedi, Chetan Sahni, Rakesh K Jha, Maheswari Kulandhasamy, Pranav Prasoon, Kishore Sesham, Kamla Kant, Sada N Pandey. Originally published in JMIR Bioinformatics and Biotechnology (https://bioinform.jmir.org), 10.01.2023.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Bioinformatics and Biotechnology, is properly cited. The complete bibliographic information, a link to the original publication on https://bioinform.jmir.org/, as well as this copyright and license information must be included.

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Epidemiological correlates of Omicron and Delta variants genomic sequences reported on GISAID from South Africa for the period of October 1 to December 10, 2021. The proportion of Delta and Omicron variants among the total SARS-CoV-2 genomic sequences were correlated with the new COVID-19 cases and deaths in the study period (3-day sum of each variable). A sharp change in the dominance from Delta to Omicron was observable since the report of the first Omicron case (November 5, 2021). The rise of Omicron cases paralleled the increase in the new COVID-19 cases. In comparison, the Delta variant showed a fall in the same period. Notably, there has been no increase in the number of deaths postemergence of Omicron. (Data sources: GISAID and Worldometer).