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
Answer is D. Ans. is A i.e Immunized person with hepatitis B vaccine Isolated Anti-HBsAg is seen in - Immunization with HBs AgRemote past infectionFalse positive.