![]() The K417N mutation isn’t entirely new – it has “arisen independently in several viral lineages,” said Francois Balloux, director of the University College London (UCL) Genetics Institute. This mutation affects the spike protein, the part of the virus that attaches to the cells it infects. ![]() Delta Plus has an extra mutation called K417N, which distinguishes it from the regular Delta variant. How is Delta Plus different from the Delta variant?Īll variants carry clusters of mutations. Here’s what we know so far, and what questions are still unanswered. Health experts are investigating whether Delta Plus may be more transmissible than other strains like the Alpha or Delta variants – but it’s too early to say for sure what its effects may be. Only one death has been reported so far, in India. The Indian government said it has submitted the variant to the Global Data System, and sent samples for genomic testing.Ībout 200 cases have been spotted in 11 countries. But the UK’s first few cases had been sequenced on April 26 – suggesting the variant may have been present and spreading by the spring. ![]() ![]() It was first reported by Public Health England, a government health agency, on June 11. This strain, which has generated a significant amount of global media attention, is called B.1.617.2.1 or AY.1 – Delta Plus for short, and is a version of the Delta variant first detected in India in February. A new and slightly changed version of the Delta coronavirus variant is spreading in a number of countries including the United Kingdom, United States and India, health officials say. ![]()
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