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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. 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.
Most reported Covid-19 deaths in the U.S. are still from the delta variant, not omicron, Dr. Rochelle Walensky, director of the CDC, said Wednesday.
The documents note that the delta variant, first detected in India, causes infections that are more contagious than the common cold, flu, smallpox and Ebola virus, and is as infectious as highly ...
[23] [24] Other organisations such as the CDC in the United States typically define their variants of concern slightly differently; for example, the CDC de-escalated the Delta variant on 14 April 2022, [25] while the WHO did so on 7 June 2022. False-colour transmission electron micrograph of a B.1.1.7 variant coronavirus. The variant's ...
Rochelle Walensky, director of the Centers for Disease Control, on July 8 reported that the delta variant had become the dominant strain in the country. CDC: Delta variant is now dominant ...
The U.S. Centers for Disease Control and Prevention (CDC) has described the Delta variant of the coronavirus as being as transmissible as chickenpox and cautioned it could cause severe disease ...
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]
About 99.2% of COVID-related deaths since the beginning of 2021 have been among unvaccinated individuals, and the Delta variant is particularly contagious. “I can boil it down this way: Delta is ...