The Covid strain, formally known as XFG and nicknamed Stratus, is said to have one unique symptom - and is spreading rapidly ...

Jack Draper was dumped out of Wimbledon in the second round by Marin Cilic and John McEnroe has issued a grovelling apology ...

The XFG strain, known as 'Stratus', has become the dominant coronavirus variant in England, according to figures from the UK ...