HBV-1 HBV-2 HBV-3 HBV-4 HBV-5 HBV-6 HBV-7 HBV-8 HBV-9 HBV-10 HBV-11 HBV-12 HBV-13 HBV-14 HBV-15 HBV-16 HBV-17 HBV-18 HBV-19 HBV-20 HBV-21