Which of the following correctly indicates the infectivity of hepatitis virus in human ?
Correct answer: B. HBeAg
- A. HBCAg
- B. HBeAg
- C. Anti-HBC
- D. Anti-HBS
Explanation
HBeAg is a marker of active hepatitis B replication and therefore correlates with high infectivity. Anti-HBs usually indicates immunity, while anti-HBc indicates exposure to HBV rather than infectivity itself.
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