I'm not sure about air, but at least for the ocean each drop of water holds like 10m virus (or at least estimation like that was done some time ago). If air (a

I'm not sure about air, but at least for the ocean each drop of water holds like 10m virus (or at least estimation like that was done some time ago). If air (at least up to some height) carries virus in a similar way you should have a lot of usually harmless ones and a few ones in a deny-list)