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However, the Delta variant is only one of three variants of the lineage B.1.617, all of which were first detected in India. [32] At the end of May 2021, the WHO assigned the label Delta to lineage B.1.617.2 after introducing a new policy of using Greek letters for variants of concern and variants of interest.
By late April, India led the world in new and active cases. On 30 April 2021, it became the first country to report over 400,000 new cases in a 24-hour period. [ 15 ] [ 6 ] Experts stated that the virus may reach an endemic stage in India rather than completely disappear; [ 16 ] in late August 2021, Soumya Swaminathan said India may be in some ...
The Eta variant or lineage B.1.525, also called VUI-21FEB-03 [30] (previously VUI-202102/03) by Public Health England (PHE) and formerly known as UK1188, [30] 21D [75] or 20A/S:484K, [97] does not carry the same N501Y mutation found in Alpha, Beta and Gamma, but carries the same E484K-mutation as found in the Gamma, Zeta, and Beta variants, and ...
Genome sequencing of SARS-CoV-2 in the state suggested that the circulating SARS-CoV-2 in Andhra Pradesh majorly clustered under the clade A2a (20A, 20B and 20C) (94%), whereas 6% fall under the I/A3i clade, [5] a clade previously defined to be present in large numbers in India.
On 29 December, the US joined Italy, Japan, Taiwan and India in requiring negative COVID-19 test results from all people travelling from China due to the new surge in cases. The EU refused similar measures, stating that the BF7 omicron variant had already spread throughout Europe without becoming dominant.
After the busy holiday season of 2023, a new COVID-19 strain—called JN.1—has emerged. This variant was a blip on the radar in mid-November, but it quickly grew to become the most common COVID ...
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. [142]
For the fourth day in a row, India set a new record for most cases in a single day by any country with nearly 350,000 new infections. [ 40 ] The Indian government ordered social media platforms Facebook , Instagram , and Twitter to remove dozens of posts that were critical of the government and its handling of the pandemic.