A 30-year-old man has a positive HBsAg, positive anti-HBc IgM and raised ALT. What is the diagnosis?
Answer and explanation
Correct answer: C. Acute hepatitis B
- Step 1: IgM anti-HBc marks recent infection. Answer: Acute hepatitis B. Why not the others: Chronic hepatitis B, Resolved hepatitis B and Hepatitis B vaccination don't fit.
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