Attending physician of Huafeng Hospital in Guiyang
Zhang shaowu
The so-called "two halves of hepatitis B" refers to five indexes of serum immunological examination of hepatitis B virus. Namely: surface antigen --HBsAg, surface antibody --HBsAb, e antigen --HBeAg, e antibody --HBeAb and core antibody --HBcAb. The clinical significance of these five test results refers to:
1. The first item is positive and the other four items are negative. It shows that it is the late incubation period of acute hepatitis B virus infection.
2. The first and third items are positive, and the other three items are negative. It shows that it is the early stage of acute hepatitis B, and it is highly contagious.
3. The first, third and fifth items are positive, and the other two items are negative. Commonly known as "big three yang", this situation shows that it is acute and chronic hepatitis B. At this time, the virus replication is active and highly contagious.
4. The first and fifth items are positive, and the other three items are negative. It shows that it is acute and chronic hepatitis B.
5. The first, fourth and fifth items are positive, and the other two items are negative. Commonly known as "Xiao Sanyang", it means acute and chronic hepatitis B, but it is less contagious.
6. The fifth item is positive and the other four items are negative. It means that it is a recessive carrier of hepatitis B virus or in the window of infection, and it also means that it has been infected with hepatitis B virus.
7. The fourth and fifth items are positive, and the other three items are negative. It shows that it is the recovery period of acute hepatitis B virus infection, or it has been infected with hepatitis B virus.
8. The second, fourth and fifth items are positive, and the other two items are negative. It shows that it is the recovery period of hepatitis B and has immunity.
9. The second and fifth items are positive, and the other three items are negative. It shows that after vaccination with hepatitis B vaccine, or after infection with hepatitis B virus, it has recovered and has immunity.