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29 lip 2021 · The patchwork nature of the coronavirus vaccination campaign in the United States has left people in many parts of the country still vulnerable to the virus and the fast-spreading Delta variant.
7 lip 2021 · Kazakhstan, Laos, Latvia, Lebanon, Namibia, Oman and Sierra Leone are the latest countries to confirm the presence of the Delta variant. See an interactive version of the map above here:
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 number of analyzed sequences in the preceding two weeks that correspond to each variant group. This number may not reflect the complete breakdown of cases since only a fraction of all cases are sequenced.
28 cze 2024 · When these changes become significantly different to a previously detected virus, these new virus types are known as “variants.” To identify variants, scientists map the genetic material of viruses (known as sequencing) and then look for differences between them to see if they have changed.
23 lip 2021 · The SARS-COV-2 Delta variant of concern is spreading quickly across Europe and has now become the dominant strain across much of the region, according to new data.
22 cze 2021 · Delta has been reported in 182 countries, and is now the most common variant in many of them, including in India and Britain. Over the past month, infections have nearly doubled in most regions...