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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.
Based on genome information, lineage B.1.617 was first detected in the UK on 22 February 2021, and in the US on 23 February 2021. [12] 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]
On July 27, based on updated information for fully vaccinated people that new evidence on the Delta variant had provided, CDC added a recommendation for those people to wear a mask in public indoor settings in areas of substantial or high transmission. CDC also made other recommendations based on this information. [52]
Delta (B.617.2) First identified in India in late 2020, the delta variant soon spread across the globe. It became the dominant variant of SARS-CoV-2 until the emergence of omicron in December 2021.
Consumers are beginning to spend more cautiously, largely because of COVID-19 Delta variant concerns. COVID-19 Delta variant is dragging down spending, Goldman Sachs charts reveal [Video] Skip to ...
It got its name from the World Health Organization, which names notable variants after letters of the Greek alphabet. Experts say the delta variant spreads more easily because of mutations that ...
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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.