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. 2022 Jul 23;400(10348):269-271.
doi: 10.1016/S0140-6736(22)01190-4. Epub 2022 Jul 6.

Breakthrough SARS-CoV-2 infections during periods of delta and omicron predominance, South Africa

Affiliations

Breakthrough SARS-CoV-2 infections during periods of delta and omicron predominance, South Africa

Ameena Goga et al. Lancet. .
No abstract available

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Conflict of interest statement

We declare no competing interests.

Figures

Figure
Figure
Daily SARS-CoV2 infections, COVID-19-related hospitalisations, and COVID-19-related deaths expressed as a percentage of those at the peak of the delta period

References

    1. Chotiner I. How South African researchers identified the omicron variant of COVID. The New Yorker. Nov 30, 2021. https://www.newyorker.com/news/q-and-a/how-south-african-researchers-ide...
    1. Callaway E. Heavily mutated omicron variant puts scientists on alert. Scientific American. Nov 29, 2021. https://www.scientificamerican.com/article/heavily-mutated-omicron-varia... - PubMed
    1. National Institute for Communicable Diseases New COVID-19 variant detected in South Africa. Nov 25, 2021. https://www.nicd.ac.za/new-covid-19-variant-detected-in-south-africa/
    1. World Health Organization Classification of omicron (B.1.1.529): SARS-CoV-2 variant of concern. Nov 26, 2021. https://www.who.int/news/item/26-11-2021-classification-of-omicron-(b.1....
    1. Grabowski F, Kochańczyk M, Lipniacki T. Omicron strain spreads with the doubling time of 3.2–3.6 days in South Africa province of Gauteng that achieved herd immunity to delta variant. MedRxiv. 2021 doi: 10.1101/2021.12.08.21267494. published online Dec 9. (preprint). - DOI