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EBV VCA/EA Ab, IgG

VCA IgG appears during acute EBV infection and persists for life, indicating past or current infection. EA IgG appears during active infection and typically disappears with resolution. Together, these antibodies help distinguish past from active or recent EBV infection.

This test is used as part of comprehensive EBV evaluation, particularly when staging infection or evaluating possible reactivation in immunocompromised patients. Results are interpreted alongside VCA IgM and EBNA IgG for complete picture. Sample type is serum.

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