Wearing a mask and washing your hands are well-known ways to fight Covid-19, but evidence suggests time exposed to the virus is also a key factor No Comments Uncategorized Tributes | Podcast | Q&A | States reopening | Send us your stories Tributes | Podcast | Q&A | States reopening | Send us your stories 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)