The probability of a bare-naked viral particle is virtually nil. Viral particles are transmitted in salivary and liquid microdrops in coughed, sneezed, or exhaled breath. As an MD, you ought to know that.
This virus is billed as being airborne not droplet I do know the difference. As an MD I am quite aware of what masks do and don’t do. The masks people are wearing in grocery stores do little to prevent the spread of disease and may even be worse than nothing for a variety of reasons. Wear one if you want but don’t expect others to
Well, then, if you touch it, and then touch something else, you’ve just transmitted a concentrated gob of virii with a protective coating.