Hepatitis B continues to be a global public health problem despite large-scale efforts to eliminate this chronic viral disease via education, screening, and vaccination programs. It is currently estimated that 400 million people worldwide have chronic hepatitis B virus (HBV) infection. Patients with chronic hepatitis B have a 15% to 40% risk of developing cirrhosis, liver failure, or hepatocellular carcinoma (HCC) and a 15% to 25% risk of dying from HBV-related liver disease. Chronic HBV infection is responsible for 60% to 80% of HCC and 500,000 to 1.2 million deaths every year, and is the 10th leading cause of death worldwide.
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Cite this: Epidemiology of Hepatitis B -- Clinical Implications - Medscape - Apr 06, 2006.