Spontaneous loss of hepatitis B e antigen (HBeAg) followed by seroconversion to anti-HBe usually coincides with normalization of serum alanine aminotransferase (ALT) levels, reduction in HBV DNA ...

Later, when transmissibility and an association with hepatitis B were demonstrated, the Australia antigen was shown to be the envelope protein of HBV. For many years, hepatitis B was recognized ...

Assays for hepatitis B surface antigen (HBsAg) are the most frequently used tests to detect HBV infection. Vaccination for HBV can produce transiently detectable levels of HBsAg in patients.

and hepatitis B s antigen (HBsAg), which is HBV’s envelope protein. In addition to the excess HBsAg present in circulating virions, large amounts of subviral particles containing HBsAg are ...