"There is no benefit and there may even be negative impact." https://www.dailymail.co.uk/news/article-8583925/The-land-no-face-masks-Hollands-scientists-say-th

"There is no benefit and there may even be negative impact." https://www.dailymail.co.uk/news/article-8583925/The-land-no-face-masks-Hollands-scientists-say-theres-no-solid-evidence-coverings-work.html https://www.dailymail.co.uk/news/article-8583925/The-land-no... Not remotely surprising. The fake masks are basically dirty sponges stuck in the most important air stream. https://news.ycombinator.com/item?id=24045096 https://news.ycombinator.com/item?id=24045096