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Omicron (B.1.1.529) is a variant of SARS-CoV-2 first reported to the World Health Organization (WHO) by the Network for Genomics Surveillance in South Africa on 24 November 2021. [10] [11] It was first detected in Botswana and has spread to become the predominant variant in circulation around the world. [12]
The Delta variant (B.1.617.2) was a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in India on 5 October 2020. The Delta variant was named on 31 May 2021 and had spread to over 179 countries by 22 November 2021.
SARS coronavirus 2 ( SARS-CoV-2) is a positive-sense, single-stranded RNA coronavirus which causes the disease COVID-19. [2] . It used to be known as 2019 novel coronavirus (2019-nCoV) by the World Health Organization (WHO). [3] [4] The virus started the 2019–20 coronavirus outbreak.
Global research on coronavirus disease (COVID-19) R&D Blueprint and COVID-19. The Unity Studies: WHO Sero-epidemiological Investigations Protocols. About Coronavirus disease (COVID-19. Origins of the SARS-CoV-2 virus. SARS-CoV-2 variants. Global Clinical Platform for COVID-19: call for action.
Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.
Aug 9, 2023 · COVID-19 is the disease caused by the SARS-CoV-2 coronavirus. It usually spreads between people in close contact. COVID-19 vaccines provide strong protection against severe illness and death. Although a person can still get COVID-19 after vaccination, they are more likely to have mild or no symptoms.
SARS-CoV-2, the virus that causes COVID-19. The term variant of concern (VOC) for SARS-CoV-2, which causes COVID-19, is a category used for variants of the virus where mutations in their spike protein receptor binding domain (RBD) substantially increase binding affinity (e.g., N501Y) in RBD-hACE2 complex (genetic data), while also being linked to rapid spread in human populations ...
