Is It Flu, Covid or RSV? A Chart to Tell Symptoms Apart. If you’re feeling sick, this handy chart will help you zero in on which virus you might have. Author: Knvul Sheikh Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)