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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 COVID-19 pandemic was the third leading cause of death globally in 2020 and the second in 2021, according to a recent World Health Organization report.The almost 13 million lives lost during ...
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 ...
More and more cases of omicron are being detected in the U.S. but the delta variant is still driving the cases in the country.
While all eyes are on the new and little-understood omicron variant that is popping up around the country, the delta form of the coronavirus isn't finished wreaking havoc in the U.S., swamping ...
The variant, called "Delta with K417N" by Public Health England, includes two clades corresponding to the Pango lineages AY.1 and AY.2. [151] It has been nicknamed "Delta plus" [152] from "Delta plus K417N". [153] The name of the mutation, K417N, refers to an exchange whereby lysine (K) is replaced by asparagine (N) at position 417. [154]
Deltacoronavirus (Delta-CoV) is one of the four genera (Alpha-, Beta-, Gamma-, and Delta-) of coronaviruses. It is in the subfamily Orthocoronavirinae of the family Coronaviridae. They are enveloped, positive-sense, single-stranded RNA viruses. Deltacoronaviruses infect mostly birds and some mammals.
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