Varicella zoster virus (VZV) is a highly contagious herpesvirus that causes two major conditions: chickenpox (usually in children) and shingles (in adults due to reactivation of latent virus). After initial infection, the virus remains dormant in nerve tissues and can reactivate later in life, leading to painful rashes and other neurological complications.

The VZV (Varicella Zoster Virus) DNA Detection by RT-PCR test identifies VZV genetic material in a blood sample. It helps confirm an active or reactivated infection, especially in cases where symptoms are not clearly visible or when complications are suspected. This test is particularly useful for detecting VZV in individuals at high risk, such as those with weakened immunity or neurological symptoms linked to viral reactivation.

This test is advised if there are symptoms such as fever, fatigue, headache, itchy blister-like rash on the skin, etc., suggestive of recent VZV infections or exposure to the virus. It is primarily used to support the diagnosis of primary varicella (chickenpox) or to help differentiate between primary infection and reactivation of the virus (shingles) when combined with other findings. It is also useful in evaluating VZV-related complications such as encephalitis, meningitis, or disseminated infections. This test is especially important in hospitalized or immunocompromised patients, where timely diagnosis can guide immediate antiviral treatment and help prevent serious complications or spread to others.

No special preparation is required for this test. However, it is important to inform the doctor about any recent illnesses, vaccinations, or medications, as these factors may impact the results.

Test result ranges are approximate and may differ slightly between labs depending on the methodology and laboratory guidelines. Do not self-medicate and always consult a doctor to understand the test results correctly. 

Please note: This is an outsourced test. The sample is collected by TATA 1MG and processed at a NABL accredited partnered lab.