Immunogen sequence: MSKLGRAARG LRKPEVGGVI RAIVRAGLAM PGPPLGPVLG QRGVSINQFC KEFNERTKDI KEGIPLPTKI LVKPDRTFEI KIGQPTVSYF LKAAAGIEKG ARQTGKEVAG LVTLKHVYEI ARIKAQDEAF ALQDVPLSSV VRSIIGSARS LGIRVVKDLS SEELAAFQKE RAIFLAAQKE ADLAAQEEAA KK; Positive Samples: Hep