True about immune response of hepatitis B is__________________?
Correct answer: A. Antibody of HBs Ag is associated with resistance to infection
- A. Antibody of HBs Ag is associated with resistance to infection
- B. Antibody to HBC is not protective
- C. Highest titres of anti HBC are found in persistent carriers of HBs Ag
- D. CMI disappears soon after recover
Explanation
Anti-HBs antibodies are associated with immunity and resistance to HBV infection, whether produced after recovery or vaccination. Anti-HBc indicates exposure but is not the main protective antibody, while cell-mediated immunity persists after recovery.
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