House's plan: make the donor brother sicker to grow the infection
With the leukemia brother out of time, House wants to break down the donor's immune system so the hidden infection shows itself, and Foreman pushes back.
Matty
4 moments · 6 min
Matty's embarrassing symptom, and House can't resist the joke
A shy confession about a new symptom gives House a narrow list of infections and a gag he refuses to pass up; Foreman asks to step away.
Matty learns he can't be with his dying brother
The donor brother realizes his own infection keeps him out of Nick's room, maybe even when Nick dies.
Histoplasmosis from the pitcher's mound, and Matty's unsedated harvest
Foreman names the fungus from chicken-coop dirt, but Matty's marrow is too depleted; the boy agrees to a painful harvest without sedation.