 Was it a lab leak or a jump from an animal? But from the perspective of a scientist who's trying to develop a vaccine for this or a cure for this, does it matter? Do they need to know? Or is it just a sideshow? If not a sideshow, I know it's an important issue, but just trying to think about it from your vantage point as somebody who would look at this and say, can we develop a cure for it or some...