Review
Copyright ©The Author(s) 2022.
World J Gastroenterol. Jul 21, 2022; 28(27): 3282-3296
Published online Jul 21, 2022. doi: 10.3748/wjg.v28.i27.3282
Table 2 Classification of hepatitis B virus
Genus
Orthohepadnavirus
FamilyHepadnaviridae
SpeciesHBV
GenotypesA-J
Virion42 nm, spherical
EnvelopeYes (HBs)
GenomeCircular ds/ssDNA
Genome size3.2 kb
SensitivityAcid-sensitive
Virus antigensHBsAg, HBcAg, HBeAg, polymerase