US Covid expert Anthony Fauci calls for double-masking to slash the spread of coronavirus

Dr Benjamin Killingley, who is advising the UK's pandemic response, said the claim was not 'grounded in lots of study' and warned it could be uncomfortable to wear two masks at the same time. https://www.dailymail.co.uk/news/article-9239891/US-Covid-expert-Anthony-Fauci-calls-double-masking-slash-spread-coronavirus.html?ns_mchannel=rss&ns_campaign=1490&ito=1490