Now Deputy Chief Medical Officer Jenny Harries says the evidence that masks stop the spread of coronavirus is ‘not very strong in either direction’ – Daily Mail

The evidence on face coverings ‘is not very strong in either direction’, England’s deputy chief medical officer has said, leaving Britons confused once again over experts’ changing attitudes to masks.

https://www.dailymail.co.uk/news/article-8676535/Jenny-Harries-says-face-coverings-evidence-not-strong.html