 It's still in the early stages, but you're finding it very worrying. It is in the early stages, but we just have to learn from history. When chloroquine resistance started, we had no technology. Our awareness was limited, so we knew the situation when it was too late. Now we already know that the problem has started and it's not going to go back. It's not going to wane or disappear. It's going to actually get worse.