How do we get rid of this wookemia?

We drove by a McDonalds and Grant said he wanted to play on that playground. So I explained to him, as I have before, that he could not play on those playgrounds right now. They were dirty and he might get sick b/c he has leukemia. He thought for a second and asked if he could play on it when he got all better. When I said yes, he went back to thinking for a while. Then he said, with much determination, "How do we get rid of this wookemia?" It was so cute! That's why we've been going to the clinic all week!
Today went very smoothly and he got to leave his noodle at the clinic. The only thing he didn't like was having to take the "stickys" off. But, it was ok b/c if it meant he got to go swimming. We've already done that and plan to do more this weekend b/c he has to get his noodle again on Tuesday.
Grant has handled all the chemo this week very well. One of the nurses came out when we were still in the waiting room this morning and was telling us that the doctor that saw him yesterday was commenting on how well he was doing to everyone in the clinic. She was so surprised that he had so much chemo this week and still felt so good.