Immunogen sequence: MAAFRDIEEV SQGLLSLLGA NRAEAQQRRL LGRHEQVVER LLETQDGAEK QLREILTMEK EVAQSLLNAK EQVHQGGVEL QQLEAGLQEA GEEDTRLKAS LLQLTRELEE LKEIEADLER QEKEVDEDTT VTIPSAVYVA QLYHQVSKIE WDYECEPGMV KGIHHGPSVA QPIHLDSTQL SRKFISDYLW SLVDTEW; Positive Samples