Patient's question:
Hello! My son is 2 years old this year, and we are preparing to send him to kindergarten. However, during the kindergarten entrance physical examination, the fifth item of the hepatitis B two pairs of half test is +. What does this mean? Is it serious?Doctor's answer:
Hepatitis B virus carrier, contagious.(1) HBsAg: Hepatitis B surface antigen
(2) HBsAb: Hepatitis B surface antibody
(3) HBeAg: Hepatitis B e antigen
(4) HBeAb: Hepatitis B e antibody
(5) HBcAb: Hepatitis B core antibody. The following are different clinical significances:
1. (1, 3, 5) The hepatitis B virus is continuously replicating, highly contagious, commonly referred to as the "three positive" syndrome.
2. (2, 5) Acute or chronic hepatitis, contagious: If it results from the "three positive" syndrome, it suggests that viral replication is tending to stop, and contagiousness is low.
3. (1) There are four possibilities:
A. Early acute infection;
B. Virus carrier;
C. Derived from the "three positive" syndrome, indicating that viral replication is tending to stop, and contagiousness is low;
D. The core of the virus has integrated with the core of human liver cells, making it non-contagious.
4. (1, 4, 5) Acute phase or virus carrier, low contagiousness.
5. (2) The virus has been cleared, non-contagious, and immunity is present; immunity has been acquired after receiving the hepatitis B vaccine; it can also be seen in false positives.
6–8. (2, 4; 4, 5; 5) The virus has been eliminated, immunity is present, and it is non-contagious.
9. (1, 3) Early hepatitis B virus infection, highly contagious.
10. (1, 4) Hepatitis B recovery phase or chronic virus carrier.
11. (1, 3, 4, 5) Acute or chronic hepatitis B, virus carrier, moderate contagiousness.
12. (1, 2) Secondary infection with different subtypes of hepatitis B virus; early atypical hepatitis B virus infection; or transition period (this is rare).
13–15. (1, 2, 3, 5; 1, 2, 4, 5; 1, 2, 4) Hepatitis B virus mutation; or transition period (this is rare).
16. (3, 5) Atypical acute infection (suggests other types of hepatitis).
17–18. (2, 3; 2, 3, 5)