Varicella Zoster IgG
Understanding Varicella Zoster IgG
What is Varicella Zoster IgG?
This test checks the presence of IgG antibodies produced against Varicella-Zoster Virus (VZV). VZV is highly contagious and can cause chickenpox and shingles. First ever exposure to the virus causes chickenpox and IgG antibodies produced in response to the infection provide life long immunity to the disease. Later second time exposure to the virus leads to development a painful rash called shingles. Chickenpox is highly contagious disease and manifested as fever, blisters, papules and rashes. Shigels also have similar symptoms.
Immunocompromised patients and pregnant women can develop serious conditions if not treated well in time.
What is Varicella Zoster IgG used for?
The Varicella Zoster IgG test is done:
In case of symptoms of varicella zoster virus infection
To check immunity for varicella zoster virus infection
In case of person with weakened immune system exposed to chickenpox
Prior to organ transplant
Interpreting Varicella Zoster IgG results
Interpretations
Result in U/mL | Remarks |
< 8 | Negative |
8 - 12 | Equivocal |
> 12 | Positive |