The CDC has published guidelines on the Coronavirus.gov to enable--it's Coronavirus.gov, and it's very, very heavily used right now, I will say--to enable every American to respond to this epidemic and to protect themselves, their families, and their communities, while the risks to young and healthy Americans remains very low. We've learned a lot about this over the last two weeks. Anyone can be a carrier for the virus and risk transmission to older Americans and those with underlying health conditions and those who are most at risk. They have not done very well. Older Americans who are, especially, if they have a health problem, they have not done well.