Part 8 · Gastroenterology and Hepatology
Same concept, other depth: Foundation →
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HBsAg indicates current infection. Anti-HBc indicates natural exposure to core antigen, not vaccination. Anti-HBs indicates surface antibody protection. Anti-HBc IgM suggests acute infection or flare of chronic infection. Chronic HBV is HBsAg persistence for more than 6 months.
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