For public door handles, pumping gas etc
Use disposable (nitrile) gloves if you can find them
If not, use doggy poop bags
No Lysol wipes? Saturate a rag with Lysol or bleach, put it in a baggie and use it for pumping gas etc.
Don't pick up your mail unless you must.
Disclaimer---Will not work for everybody in all situations. Rather than pick holes in this, pls offer alternative suggestions.