Nature
Volume 603 Issue 7902, 24 March 2022
https://www.nature.com/nature/volumes/603/issues/7901

Article | 07 January 2022 | Open Access
Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa
The genomic profile and early transmission dynamics of the Omicron strain of SARS-CoV-2.
Raquel Viana, Sikhulile Moyo, Tulio de Oliveira