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The Delta variant (B.1.617.2) was [ 3 ][ 4 ] 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. The World Health Organization (WHO) indicated in June 2021 that the Delta variant was ...
The Delta variant, also known as B.1.617.2, G/452R.V3, 21A [78] or 21A/S:478K, [100] was a globally dominant variant that spread to at least 185 countries. [140] It was first discovered in India . Descendant of lineage B.1.617, which also includes the Kappa variant under investigation, it was first discovered in October 2020 and has since ...
The team at PANGO behind manually curating the phylogenetic tree of SARS-CoV-2 noted the earliest sequence was from 7 December 2020. They proposed a new designation for the variant containing the mutations at the spike protein including G142D, L452R, E484Q, D614G, P681R among others and this variant went to be assigned PANGO lineage B.1.617 on ...
Experts explain how many COVID variants there are, important subvariants, and the evolution of SARS-CoV-2 virus. ... That was how it out-competed the Delta variant,” Dr. Yancey says. Omicron’s ...
The continued spread of the SARS-CoV-2 virus has spawned a Greek alphabet of variants - a naming system used by the World Health Organization to track concerning new mutations of the virus that ...
The Delta variant is more transmissible than the SARS-CoV-2 ancestral strain as well as the viruses that cause MERS, SARS, Ebola, the common cold, the seasonal flu and smallpox, the report said. ...
t. e. Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) [2] is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. [3] The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), [4][5][6][7] and has also been called human coronavirus 2019 (HCoV-19 or ...
v. t. e. The Mu variant, also known as lineage B.1.621 or VUI-21JUL-1, is one of the variants of SARS-CoV-2, the virus that causes COVID-19. It was first detected in Colombia in January 2021 and was designated by the WHO as a variant of interest on August 30, 2021. [1] On 16 March 2022, the WHO has de-escalated the Mu variant and its ...