Hepatitis B two and a half

Hepatitis B two and a half are the most commonly used serum markers for detecting hepatitis B virus (HBV) infection in domestic hospitals. There are 3 pairs of hepatitis B virus immunological markers, namely surface antigen (HBsAg) and surface antibody (anti-HBs or HBsAb), e antigen (HBeAg) and e antibody (anti-HBe or HBeAb), core antigen (HBcAg) and core antibody (Anti-HBc or HBcAb). The two and a half of hepatitis B are also known as the five items of hepatitis B. The significance of the inspection is to check whether the infection is caused by hepatitis B and the specific situation of the infection, and to distinguish between the big three positive and the small three positive.

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