Since we have so much paper money anyhow, just let it air dry for a few days before intimately interacting with it.

Sure, I understand some of the needs for social distancing, especially if we are lacking information, and probably one of the most important measures remains testing to figure out what kinds of measures might be prudent and practical.

In other words, there are probably a decent number of us in this thread who are really repelled by draconian measures, including any additional measures to outlaw or to discourage the use of cash.  Cash remains one decent quasi-anonymous means to on-board onto bitcoin.... plus other quasi-anonymous means to use cash remain important to our freedoms (privacy, self-direction/discretion and flexibility).