Thanks for some nice suggestions.
Here’s one for you.
I open my mailbox, give the mail a quick spray of disinfectant then close it up... an hour later I get my mail... Someone here said that was one of the way the 1918 flu spread.
Another quick thought..
When shopping note whether your cashier , or the customer in front of you has sniffles or a cough.
If so, choose another line in order to cash out because any cash you receive, as change, may be contaminated by either of them.
Consider using a credit card for transactions, since cards are only scanned by the electronic reader when slid through (minimizing possible contamination).
If surrounded by possible bacterial or viral contamination, you have to develop healthy habits.