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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 becoming ...
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 ...
V-mail. Poster from World War II promoting the use of V-mail. V-mail, short for Victory Mail, was a hybrid mail process used by the United States during the Second World War as the primary and secure method to correspond with soldiers stationed abroad. To reduce the cost of transferring an original letter through the military postal system, a V ...
The Delta variant, also known as B.1.617.2, G/452R.V3, 21A or 21A/S:478K, was a globally dominant variant that spread to at least 185 countries. 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 spread internationally.
The FLiRT variants are the collective name given to KP.2, KP.3, and KP.1.1. These are descendants of JN.1.11.1, a spinoff of JN.1, which was the most common variant in the U.S. until late April ...
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.
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 . While the alpha and beta genera are ...
With the Delta variant driving a surge in COVID-19 infections, health officials warn the threat of the contagious variant is ‘serious’ as infected patients crowd hospital beds in hard-hit regions.