I support the author above.
It is not at all necessary to take off your pants and crawl intimate places on different surfaces.
enough in transport to grab the handrail.
there, in stores, your loaf of bread in front of you was touched by a bunch of people who crumpled the loaf and then put it in place. Any society is a room filled with viruses and bacteria, food, surfaces.
But ... in 99% of cases, our body copes. in fact, for this we need an immune system.
otherwise the first gust of wind would provoke sore throat and death from cardiac arrest)
Since there are no girls yet, I will take the rap. :)
In fact, it's easy. Illness is darkness, darkness, not one thing, so another is on guard, not in the toilet, so in transport, not on the street, so on money. If you are talking about sexually transmitted diseases and ailments, then doctors firmly say that such a method of infection is possible.
So take care of yourself.