Thank you, that is extremely helpful.

By molecules you must mean very small aggregations of molecules, because a molecule of water would be one oxygen atom with two hydrogen atoms bound to it, and it’s tough to envision a virus surviving on that. I’m not trying to bust your nut — Rather, I am trying to get a clear mental picture of this. So I am grateful to you for helping me along the way, particularly with the information about the behavior of aerosols in differing conditions of humidity.