Unlike the surface antigen, the e-antigen is found in the blood only when the HBV virus is actively replicating. HBeAg is often used as a marker of ability to spread the virus to other people (infectivity). It may also be used to monitor the effectiveness
Hepatitis B is vaccine-preventable infection with significant degradation of health for people who develop chronic hepatitis. HBV is a transmitted virus which can be aquired by blood or blood products such as syringes/needles, tattooing or body piercing. As well as household items such as razors. It can also be transmitted by sexual contact.