text:  It doesn't have the ones we're most worried about, so the ones that make the virus better at spreading by the airborne route from human to human. But it 100% has several mutations that enhance its ability to replicate in mammalian cells. Peacock says there are still lots of questions about exactly what these changes are doing. He says what's clear, though, is that the U.S. has not yet managed to contain the situation. Well, Will, thanks for this reporting and obviously keep us updated. I will. Thank you.