But that article is dated September 2021. The Guardian also wrote about it in 2017: https://www.theguardian.com/uk-news/2017/mar/16/what-happens...

The articles probably landed on the top 10 list of most read articles (due to Google hits) after the Buckingham Palace statement this morning that the doctors are recommending continuous monitoring of her health, which probably was British understatement for "Her situation is bad".