I've given some thought to this, and the answer is it might be. Consider a future where we've managed to eliminate all diseases. By then our natural resistance

I've given some thought to this, and the answer is it might be. Consider a future where we've managed to eliminate all diseases. By then our natural resistance to disease might have atrophied to a point where we will absolutely be unprepared to deal with new diseases (biologically), before we've managed to develop a cure for them.