This test is used to diagnose the varicella zoster virus (VZV) present as an active infective agent in the blood. This virus is the causative agent of shingles and chicken pox. Immunization against this virus is present and most adults are affected by this disease. People who are immunocompromised, are potential candidates of organ transplant, pregnant women and newborns are generally screened using this test for the presence of any kind of active or latent infection.
LabEspy recommends Lab Testing API, Walk-In Lab, Health Testing Centers for this test.