Immunogen sequence: GAREGFLLSK APEFEDSEEV RRIWNRAIPL WELPDQEEVQ LADTMFGLTK VTDDTLKRFS VRYLRPARSL VFPWFSPGGS GLRGLKLLEA KCQGDGVSYE ETTIPRPSAY HNLFGLPLIS RRDAEVVLTS RELDSLALNQ STGLPTLTLP RGTTCLPPAL LPYLEQFRRI VFWLGDDLRS WEAAKLFARK LNPKRCFLVR P Positive Sam