Medicine In a patient, only Anti HBsAg is positive in serum. All other viral markers are negative. This indicates: A Acute hepatitis B Chronic active hepatitis C Persistent carrier D Immunized person with Hepatitis B vaccine 💡 Explanation In a patient, only Anti HBsAg is positive in serum. All other viral markers are negative. This indicates: ✓ Correct Answer: D. Immunized person with Hepatitis B vaccine