Biden wants Americans to wear masks for 100 days — do they protect against COVID-19 or merely promote healthy behavior? No Comments Uncategorized ‘Modeling suggests that near universal masking could prevent 180,000 COVID-19 deaths,’ one expert told MarketWatch. ‘Modeling suggests that near universal masking could prevent 180,000 COVID-19 deaths,’ one expert told MarketWatch. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)