Licking your fingers to turn a page, open plastic bags etc

At work, I’m often asked by one of our project guys to review specification plans with him. I guess he’s a little unsure technically or whatever and he’s more of a sales guy. Anyway, last week, I finally couldn’t take the fact that he licked his fingers multiple times while turning each page. He’s had a cold lately and he was coughing. He was pretty offended when I told him he was on his own and why but it felt good to set him straight and air my grievance.
There is a restaurant here in Birmingham on the Southside where I’ve gone to pickup lunch at least 1 x a week for several years. But lately the old lady at the counter licks her fingers to open the plastic bag for my to-go items and then to count out my change.
I’m no extreme germ freak but I just don’t think I cannot NOT say anything next time I go. Should I quit while I’m ahead or nicely tell her that she’s a public health risk and the dollar bills she’s just touched could have been covered with anything from the Corona Virus to the dried fecal matter from a strippers thong?