What we know is that the impact of the pandemic would be catastrophic if it is similar to what we had in 1918. In the United States, there has been an unprecedented amount of preparation so far. It's..um, affects every aspect of public health. We have efforts for treatment, efforts for better prevention, clinical management, key communications, the domestic and international responses, and also efforts to try to prevent transmission within the community. The federal government has had a tremendous amount of resources that they have put into the development of the new antiviral drugs, antiviral drugs stockpiles; development of new vaccines and manufacturing facilities for vaccines. So, there's quite a lot that's happening in the United States. However, developing countries do not have the level of resources found in more developed countries. That's the real challenge.