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Have you ever used an e-ticket machine at an airport?
Have you ever used a cash register?
Have you ever used a "self checkout" at the grocery store?
Have you ever paid for gas at the pump?

People have been using common-space keyboards (number pads) and touchscreens for many years now.

I don't think they are going away so maybe you should invest in some e-tip gloves.
Better yet, invest in screen and keyboard sanitizer stocks.