Hepatitis B
Hepatitis B is a viral infection that is found worldwide.
An estimated 350 million people are thought to be chronic carriers of the infection and 686,000 people die every year from the complications of hepatitis B infection (WHO data). The countries with the highest prevalence of infection include Africa and East Asia where 5-10% of the population are chronically infected with the disease. High disease prevalence also occurs in the Middle East, Southern and Eastern Europe and the Indian Subcontinent.