‘Professor Stephen Griffin, chair of Independent SAGE, said people should go back to regularly testing as well as wearing masks.
The continuous spread of the super-infectious variant – known as XBB.1.16 – means the British public should revert to once again using face masks to protect themselves on public transport, it’s been claimed.’
https://www.lancs.live/news/uk-world-news/brits-urged-wear-face-masks-26801729
Nope