Immunogen sequence: GGDPKCMDRV CFWRLGLLRG PGAEDNAHNE ILSNADSLST FVSEQQMESQ EPADLTGVTV QSPGEAQCLL GPAEAEGSQR RRLLVPANGA DPTETLMLFF DKFANIVPFD SWDQLMRQLD LTKNEIDVVR AGTAGPGDAL YAMLMKWVNK TGRNASIHTL LDALERMEER HAREKIQDLL VDSGKFIYLE DGTGSAVSLE; Positive Samp