What is Omicron XE? Symptoms of the new Covid variant as hundreds of cases found in UK - 637 cases of the new variant have been detected in England

A new sub-variant of Omicron has been found in UK as the country battles a renewed surge of the coronavirus.The Office for National Statistics (ONS) said that 4.9 million people in the UK were infected with Covid-19 as of last weekend - a record high during the pandemic. The surge is cases is thought to be down to people mixing more freely since Covid restrictions were dropped and the Omicron BA.2 sub-variant.