GH1 and prion disease: We tested for the association of rs6794719, rs6116492, and 33 other top-ranking SNP associations from the vCJD study in patients with iCJD who were exposed to prion disease through cadaver-derived growth hormone therapy versus UK controls (n=28); 506 patients with sCJD—a worldwide disease of uniform incidence that affects about 1–2 million people per year—versus UK controls.