Individual peptides, classified as ribosomal, ETRAMP, histone and other peptides, were tested in anti-IFNγ ELISpot assays using peripheral blood mononuclear cells (PBMC) from Pv- and Pf-infected patients, or healthy donors (HD) from endemic (E-HD) and non-endemic (NE-HD) regions (Fig 1e, f, Extended data fig. Here, IFNG is linked to Huntington disease.