High infectivity in Hepatitis infection is shown by:: (A) HBsAg positive, (B) HBcAg positive, (C) HBeAg positive, (D) IgM anti HBc
Answer is C. Ans: c (HBeAg positive) Ref: Ananthanarayanan, 7th ed, p. 555HBsAg positive - Indicates HBV infection- First virological marker detectableHBsAg positive; IgM Anti HBc positiveHBsAg positive; IgG Anti HBc positiveHBeAg positiveHBVDNAAnti HBsAg positive; Anti HBc negativeAnti HBsAg positive; IgG Anti HBc cpositive- Active infection- Remote infection- High infectivity, Qualitative marker of replication- Quantitative marker of replication- Vaccination- Recovery phase