 Well, very, very young. And it impacts my legs, so I am a wheelchair user. But it could, like, polio could really impact any part of your body. I've seen folks with, you know, maybe like one leg that's impacted or arms or whatever. And it's, you know, once you acquire that virus, it's sort of like getting a cold or a flu, right, where you're sick and you have a fever, maybe you've got a bit of a cough or something.