Actually, we all ARE going to die at some point. But for most of us, it won't be from this. How should we be prepared for this? Other than TRYING to prevent becoming infected with a cold virus (which would probably entail moving out into the wilderness by oneself until the cold season is over), there is nothing else you can do about it. There are no preventative meds, and no meds to treat this. No sense in worrying about it, since it's not to be controlled....
I've found that a good way to get a crowd's attention is to say "everyone in this room is going to die." Then, over the stunned silence, I say, "but not today, and probably not soon." Then I move on to the message. At that point, everyone is facing front.
Whenever something -- smoking, firearms, cholesterol, pollution, driving like an idiot -- is cited as a cause of "preventable death," I get annoyed. There are no preventable deaths. Just postponable. Ad te omnis caro veniet.