Hyposmia - a change in sense of smell - has been added to the top 10 most prevalent Covid symptoms as cases rise in most parts of the UK.
In England, infections are estimated to have climbed above one million for the first time since the end of October, while Scotland and Wales have also both seen an increase.
The total number of people in private households in the UK testing positive for coronavirus stood at an estimated 1.3 million in the week to December 5, according to the Office for National Statistics (ONS).
