The other thing to keep in mind is our compliance with the International Health Regulations. Globally, there has been a tremendous amount of effort to try to have a common view and a common approach to these things, not just to facilitate the movement of people, but also to facilitate the reporting and control of diseases.
We work very hard to try to work with our international partners and the WHO to develop common approaches like the International Health Regulations, so it is our feeling that complying with them is very important. If we stand out as the only country in the world that's going to take a different approach, that does have ramifications for us in terms of the International Health Regulations.