Viral hepatitis is one of the greatest public health problems in the world, with deaths that surpass HIV/AIDS. Most of the deaths among the estimated 350-400 million people living with undiagnosed or untreated chronic hepatitis B or C infection are caused by liver cancer or liver cirrhosis. Stopping transmission, reducing chronic viral hepatitis complications, and ending disease stigma and discrimination will eliminate the problem of hepatitis. KNOW HBVHCV is a self-paced training course developed for practitioners and students in primary care and public health. It was developed by the Asian Liver Center at Stanford in collaboration with the General Department of Preventive Medicine, Ministry of Health of Vietnam and is based on the best available data and technical guidelines from the World Health Organization and the U.S. Center for Disease Control and Prevention.