更新1:
Obviously bedlam you are one of them, it's actually those who DON'T use it every time that cause any mutation!
更新2:
By some of the answers, it shows why some cruise lines are starting to insist on no self service in buffet areas, you must now be served by staff. At least that may get rid of the greedy pigs who pile their plates up and leave most of it!
更新3:
I agree Mrsjvb, we also take Dettol Anti virus spray with us and spray the cabin regularly.