He does shake hands, but even before all this he would immediately sanitize. He's a germophobe.
But if all you pathetic snowflakes could put aside your blind hatred for orangemanbad for even a moment, you'd realize that we're all being asked to change our behavior, suddenly. These are things we do without much conscious thought. All of us.
When the outbreak took place in Washington state, I watched the press conference they held, and the medical office in charge of King county came to the microphone, before he spoke, he coughed and reflexively (apparently) used his hand over his mouth, then put that hand all over the podium as he proceeded to tell us not to do what he had just done.
Behaviors like that are hard to turn on and off like a switch.
Maybe, if you and the OP loved your country more than you hate your president, you'd put the pathetic partisan bickering aside.