Immunogen sequence: CQGSADHVVS ISGVPLQLQP NSIQTKVDSI AWKKLLPSQN GFHHILKWEN GSLPSNTSND RFSFIVKNLS LLIKAAQQQD SGLYCLEVTS ISGKVQTATF QVFVFDKVEK PRLQGQGKIL DRGRCQVALS CLVSRDGNVS YAWYRGSKLI QTAGNLTYLD EEVDINGTHT YTCNVSNPVS WESHTLNLTQ DCQNAHQEFR FWP; Positive