Therapeutics is certainly an approach that is very promising. In fact, we're starting our study in ferrets next week to look at some prominent therapeutics there. There is great promise for therapeutics to act similarly like antivirals. I think there is real value in proceeding with that.
The antibody testing in the public is giving us really good information about the level of herd immunity out there, so testing in that sense, from a public health perspective, is very important to also prepare for or have a better estimate of what the next wave of this disease might look like.