Immunogen sequence: QILPVPNVVV RDVACGANHT LVLDSQKRVF SWGFGGYGRL GHAEQKDEMV PRLVKLFDFP GRGASQIYAG YTCSFAVSEV GGLFFWGATN TSRESTMYPK AVQDLCGWRI RSLACGKSSI IVAADESTIS WGPSPTFGEL GYGDHKPKSS TAAQEVKTLD GIFSEQVAMG YSHSLVIARD ESETEKEKIK KLPEYNPRTL; Positive Samp