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Epstein Barr Virus Viral Capsid Antigen Igg Antibodies, Ebv(Vca)

₹2,000.00

15 minutes
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The EBV VCA IgG Test measures the IgG antibodies against the viral capsid antigen (VCA) of the Epstein-Barr Virus (EBV). The VCA is part of the EBV virus structure and plays a crucial role in the virus’s ability to infect host cells. The IgG antibodies are typically produced in response to a past or ongoing EBV infection and remain in the body for life.
The presence of EBV VCA IgG antibodies generally indicates past infection with EBV. These antibodies appear a few weeks after infection and remain detectable long after the acute phase of the disease, making this test useful for determining previous exposure to EBV.

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    Description

    Why It’s Done

    Doctors may order the EBV VCA IgG test to:
    • Confirm past EBV infection, especially if the patient has symptoms suggestive of a recent or prior infection.
    • Determine immunity to EBV, as individuals with high levels of VCA IgG are typically immune.
    • Differentiate between acute and past infection when combined with other EBV tests (such as EBV VCA IgM and EBV NA IgG).
    • Monitor chronic EBV infections in immunocompromised individuals (e.g., organ transplant recipients).
    • Help diagnose EBV-related conditions, such as infectious mononucleosis or chronic fatigue syndrome.
    • Assess the risk of reactivation in individuals who have been previously infected.

    Preparation

    • No special preparation is usually required.
    • Inform your doctor about any medications, especially immunosuppressants or antiviral drugs, as they could affect the test results.
    • A blood sample is typically taken from a vein in your arm for this test

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