Hepatitis B surface antigen (HBsAg) is the definitive marker of infection, with IgM signifying acute and IgG signifying chronic infection.
The Hepatitis B virus surface antigen (HBsAg) is a definitive marker of an active infection. IgM indicates acute infection, and IgG indicates chronic infection.
| Front | What surface marker of HBV indicates an infection? |
|---|---|
| Back | This is a definitive surface marker!! IgM → Acute infx IgG → Chronic infx |
Tags: microbiology
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