Immunogen sequence: MAASQAVEEM RSRVVLGEFG VRNVHTTDFP GNYSGYDDAW DQDRFEKNFR VDVVHMDENS LEFDMVGIDA AIANAFRRIL LAEVPTMAVE KVLVYNNTSI VQDEILAHRL GLIPIHADPR LFEYRNQGDE EGTEIDTLQF RLQVRCTRNP HAAKDSSDPN ELYVNHKVYT RHMTWIPLGN QADLFPEGTI RPVHDDILIA; Positive Samp