Delta variant causes more than 90% of new Covid cases in UK
More than 90% of Covid cases in the UK are now down to the coronavirus Delta variant first discovered in India, data has revealed, as the total number of confirmed cases passed 42,000.
Also known as B.1.617.2, the Delta variant has been linked to a rise in Covid cases in the UK in the past weeks. It is believed to spread more easily than the Alpha variant, B.1.1.7, that was first detected in Kent, and is somewhat more resistant to Covid vaccines, particularly after just one dose. It may be also associated with a greater risk of hospitalisation.
Now Public Health England (PHE) has revealed that up to 96% of new Covid cases in the UK involve the Delta variant, and that it has about a 60% increased risk of household transmission compared with the Alpha variant.
The report further revealed that cases of the virus are doubling between every 4.5 and 11.5 days, depending on the region, while confirmed cases to date have risen by 29,892 to 42,323.
The steep jump in cases is, in part, down to the …
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