WHO doesn't only say things they are absolutely certain about - e.g. https://twitter.com/WHO/status/1217043229427761152 https://twitter.com/WHO/status/121704322

WHO doesn't only say things they are absolutely certain about - e.g. https://twitter.com/WHO/status/1217043229427761152 https://twitter.com/WHO/status/1217043229427761152 Also, not the most reliable source, but I've heard claims that initial viral load may determine the serverity - a mask could help here too: https://www.dailymail.co.uk/news/article-8166867/How-large-viral-load-make-coronavirus-infection-worse.html https://www.dailymail.co.uk/news/article-8166867/How-large-v...