Scientists are desperately carrying out more research on the Indian mutation to understand more about its impact.
The Health Secretary will update the nation with the latest on the Covid situation at 5pm.
So far more than 64 percent of all adults have received at least one dose of a jab, with more than a quarter fully protected with a second injection.
In total 47,045,391 vaccines have been administered across the UK.
Those aged 42 and over are now being invited by the NHS to book their vaccine appointment.
However, there are fears the Indian coronavirus variant could be resistant to the vaccines being deployed at rapid pace across the UK.
The three cases of the variant found in Leicester have all been linked to travel from India, and extra testing is being carried out at a city school to try and curb its spread.
More than 100 cases of the mutation have been found in the UK in total.
Last week India was added to Britain’s travel “red list” to try and stop the further importation of cases.
It means anyone returning to the UK from the country must quarantine in a specialised isolation hotel at their own expense for a period of 10 days.
More to follow…