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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 ...
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [10] while only the death of 11,525 identified COVID-19 cases was registered. [9] The official count of COVID-19 deaths as of December 2021 is slightly more than 5.4 million, according to World Health Organization's report in May 2022 ...
COVID-19 variant Delta was less contagious than Omicron and is not currently circulating, explains Dr. Kasson. Though Delta caused about twice as many infections as its predecessors, according to ...
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).
It has since become the dominant strain of COVID-19 in the United States and has been detected in more than 90 countries worldwide. Deaths from COVID-19 in the United States have averaged 239 per ...
As the hypercontagious Delta variant continues to drive up cases of COVID-19 in parts of the country, many have begun to wonder if this strain is also more transmissible outdoors, particularly as ...
The global COVID-19 pandemicarrived in Europewith its first confirmed case in Bordeaux, France, on 24 January 2020, and subsequently spread widely across the continent. By 17 March 2020, every country in Europe had confirmed a case,[62]and all have reported at least one death, with the exception of Vatican City.
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 ...