Jimmy Fallon wasn't taking any chances as he prepared to meet the Democratic presidential nominee for their interview.
After he welcomed Hillary Clinton to the show in front of a cheering crowd, Fallon immediately took precautions.
The Tonight Show host pulled out a surgical mask and put it over his face as Clinton laughed hysterically.
'Thank you so much. It is great to have you here,' Fallon said as the two high-fived.
As Clinton found the joke, which seemed to be a swipe at the controversy over her recent 'medical episode', hilarious, Fallon then pulled out some hand-sanitizer to cleanse his hand.