He preferes fist bumps to handshakes, and generally takes other precautions to make sure he doesn't come into any unecessary contact with germs. Take for instance, how he arrived to the set of AGT earlier this week.
Taking full precaution to avoid contamination by COVID-19, Mandel showed up to work wearing a gas mask, and in a full hazmat uniform.
Better safe than sorry, right?
Via TMZ