Chronic Hepatitis B (HBV) is a major global health problem.  According to the World Health Organization (WHO), more than 2 billion people have been infected with HBV.  It is a major cause of chronic liver disease worldwide, affecting an estimated 1.25 million people in the United States and more than 240 million people worldwide.
Hepatitis B epidemiology and demographics
Hepatitis E epidemiology and demographics
Hepatitis C epidemiology and demographics
Alcoholic hepatitis epidemiology and demographics
Malaria epidemiology and demographics
Autoimmune hepatitis epidemiology and demographics
Hepatitis B diagnostic criteria
Rubella epidemiology and demographics