In order to open up the economy and allow people to engage with each other, you need to insure that an extremely large majority of people are not sick. In order to do that,you need to test people every 14 days to make sure that they're not sick then, and then they're also not sick two weeks from then. Under this a potential scenario where actually there is like a strong multiple in the number of people who have had chrono virus compared to the confirmed cases that we about. All these things are kind of up for grabs right now. No one knows what this, you know, medium term future might look like, but these are the types of a, realities like that