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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 ...
Scientists remain focused on Delta, now the dominant variant rising rapidly around the world, but are tracking others to see what may one day take its place. It is striking unvaccinated ...
Variants of severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2) are viruses that, while similar to the original, have genetic changes that are of enough significance to lead virologists to label them separately. SARS-CoV-2 is the virus that causes coronavirus disease 2019 (COVID-19).
After detecting 77 cases of lineage B.1.617 in the UK in mid-April 2021, Public Health England designated the lineage as a variant under investigation. [15] In less than two months, the Delta variant would go on to become the dominant variant in the UK with researchers stating early evidence suggested there may be an increased risk of hospitalization for Delta compared to the previously ...
The Delta variant, which previously ravaged India and the U.K., now accounts for an estimated 83% of new U.S. coronavirus cases in recent weeks. Furthermore, according to the CDC, those who are ...
Scientists remain focused on Delta, now the dominant variant around the world, but are tracking others to see what may one day take its place. Explainer - Beyond Delta, scientists are watching new ...
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.