Former Vice President Joe Biden and Sen. Bernie Sanders say they're taking precautions to avoid catching the coronavirus. Both in their 70s, the only Democratic contenders left on the debate stage said during Sunday night's matchup that they're washing their hands, not holding rallies and keeping away from others. The contenders bumped elbows instead of shaking hands and stood at podiums six feet apart during the debate, which featured no audience to cheer or boo their responses. At times, they were left to yell in a nearly empty television studio as millions of self-isolating Americans watched, remotely. NBC 4 New York on Twitter: 4.nbcny.com/kAuuwUN NBC 4 New York on Facebook: 4.nbcny.com/mbeh714 NBC 4 New York on Instagram: 4.nbcny.com/g5YlkcI NBC 4 New York on Youtube: 4.nbcny.com/iTUpy5e #DemDebate #Coronavirus #News ----------------------------------------------- NBC 4 New York / WNBC is the flagship station of the NBC Owned Television Station...