Paper II — 2022 May (Supplementary) (2010 Scheme) — Q11

Paper II

2022 May (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Name four markers of Hepatitis-B infection.

Q112 marksShort Notes★✓

Answer

Four markers of Hepatitis B virus (HBV) infection:

1. HBsAg — indicates current infection (chronic if >6 months).
2. Anti-HBs — indicates recovery with immunity, or successful vaccination.
3. IgM anti-HBc — indicates recent/acute infection.
4. HBeAg — marker of active viral replication and high infectivity.

(Other valid examples: IgG anti-HBc — past/current infection; anti-HBe; HBV DNA — quantitative marker of active replication.)

Related Concepts

1. 1Viral Hepatitis (Microbiology)

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