Hong Kong · Sponsored
An Overview of the South African COVID-19 Subvariant Outbreak
This content is sponsored. It is intended for healthcare professionals only.
The first reported case of Coronavirus Disease 2019 (COVID-19) was reported in China on 17th November, 2019. The disease is caused by SARS-CoV-2 virus, and the circulating strains have varied periodically since the outbreak, beginning with the wild-type strain. The Alpha and Delta variants appeared in late 2020, while the Omicron variant appeared in November 2021.



