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Hepatitis B Viral DNA

Topic Overview

The hepatitis B virus contains DNA. If DNA from the hepatitis B virus is found in your blood sample, then your doctor knows that the virus is multiplying.

  • You are contagious when HBV DNA is present. The higher the level of HBV DNA, the more contagious you are.
  • If you have a long-term (chronic) HBV infection, the presence of high levels of viral DNA means that you are at increased risk for liver damage and may want to consider treatment with medicines.
  • Testing for the amount of HBV DNA (viral load) is an important way to monitor the effectiveness of treatment for chronic HBV infection.

Credits

By Healthwise Staff
Kathleen Romito, MD - Family Medicine
W. Thomas London, MD - Hepatology
Last Revised October 29, 2012

Last Revised: October 29, 2012

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