"There's a lot of information going out in the news and the media right now about the coronavirus, saying it's for the elderly or young people don't want to do this," Underwood said. "I want to let you guys know, I'm 28, I consider myself pretty healthy, I work out regularly, I eat healthy, and I became symptomatic a few days ago, got my test results back today and they are positive. And it's been kicking my ass, just to put it very bluntly."