HBsAg is the hallmark of HBV infection and is the first serological marker to appear in acute hepatitis B. Most patients recovering from acute hepatitis B clear HBsAg within 4-6 months after onset ...

Chronic hepatitis B (CHB) is a long-term infection of the liver caused by the hepatitis B virus (HBV). While acute hepatitis B infection is often resolved by the immune system, CHB occurs when the ...

Background and goal: Health care workers are at higher risk of hepatitis B infection due to occupational exposure to blood and body fluids. They are considered protected if they have a hepatitis B ...