 Every time you give avian virus a chance to infect a human, it's like buying a lottery ticket for a lottery you don't want to win. It is alarming to me that we continue to see more people getting infected, not unexpected. Sutton says not only do you want to keep people from getting sick, obviously, you really don't want to give this virus time to adapt to humans. All right, so here's the scary question. Do we have any indication that that's already happening?