That would hold true if the virus would behave like a gas that dissolves in air. But it is carried by droplets that fall to the ground. I would think there is

That would hold true if the virus would behave like a gas that dissolves in air. But it is carried by droplets that fall to the ground. I would think there is not more wind in an airplane then in a supermarket. So the droplets that carry the virus should fall down to the ground in a similar fashion.