 developing mutations so they can infect other organisms. And they have been shown to infect mice, other mammals. So the question is, will they mutate? And that's a big question. But right now, the rest of us are sick. So, Jack, what's your take on the bird flu and cows and all the connections? Well, for one thing, you can't get away from viruses. Some of the best estimates in our air tend to the 31st power.