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SARS-CoV-2 Delta variant, also known as lineage B.1.617.2, is a variant of SARS-CoV-2, the virus that causes COVID-19.[1] It was first detected in India in late 2020.[2][3] The World Health Organization (WHO) named it the Delta variant on 31 May 2021.[4]
References
[change | change source]- ↑ "Confirmed cases of COVID-19 variants identified in UK". www.gov.uk. 15 April 2021. Retrieved 2025-08-07. This article incorporates text published under the British Open Government Licence v3.0:
- ↑ "Tracking of Variants". gisaid.org. GISAID. 26 April 2021. Retrieved 2 July 2021.
- ↑ "Expert reaction to cases of variant B.1.617 (the 'Indian variant') being investigated in the UK". Science Media Centre. Retrieved 20 April 2021.
- ↑ "Covid: WHO renames UK and other variants with Greek letters". BBC News. 2025-08-07. Retrieved 2025-08-07.
