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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 ...
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [9] while only the death of 11,525 identified COVID-19 cases was registered. [8] 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.
The Delta variant, also known as B.1.617.2, G/452R.V3, 21A or 21A/S:478K, was a globally dominant variant that spread to at least 185 countries. It was first discovered in India. Descendant of lineage B.1.617, which also includes the Kappa variant under investigation, it was first discovered in October 2020 and has since spread internationally.
The Delta variant, which previously ravaged India and the U.K., now accounts for an estimated 83% of new U.S. coronavirus cases in recent weeks. Furthermore, according to the CDC, those who are ...
Delta variant 'patients are definitely sicker' While the elderly population of the U.S. was initially the hardest-hit group at the beginning of the pandemic, that has since changed due to the ...
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 ...
For comparison the infection mortality rate of seasonal flu in the United States is 0.1%, which is 13 times lower than COVID-19. Case fatality ratio (CFR) Another metric in assessing death rate is the case fatality ratio (CFR), which is the ratio of deaths to diagnoses. This metric can be misleading because of the delay between symptom onset ...
With the Delta variant driving a surge in COVID-19 infections, accounting for more than 90% of new cases across the U.S., health officials warn the threat of the contagious variant is "serious" as ...