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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 ...
Other organisations such as the CDC in the United States have at times used a slightly different list; for example, the CDC has de-escalated the Delta variant on 14 April 2022, 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 increased transmissibility is believed ...
Loaded 0%. July 30 (Reuters) - 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 ...
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. August August 1
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 ...
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 ...
The CDC's internal documents shed more light on the dangers of the Delta variant. WHO expert: Delta variant poses stark choice between behavior change or 'more lockdowns' [Video] Skip to main content
False-colour transmission electron micrograph of a B.1.1.7 variant coronavirus. The variant's increased transmissibility is believed to be due to changes in the structure of the spike proteins, shown here in green. There are many thousands of variants of SARS-CoV-2, which can be grouped into the much larger clades.