Hepatitis D is a disease caused by infection with hepatitis D virus (Delta virus). This virus causes inflammation of the liver. Hepatitis D is a type of 5 types of hepatitis, namely hepatitis A, B, C, D and E. Each type of hepatitis has different methods and symptoms of multiplication. But specifically for hepatitis D, this disease requires the hepatitis B virus to infect liver cells. Transmission can occur in two ways: the first is a simultaneous infection with hepatitis B and hepatitis D (coinfection), and the second is infection with the hepatitis D virus in people who are already infected with hepatitis B (superinfection). Hepatitis D can cause acute or chronic disease. Acute hepatitis D occurs suddenly and causes symptoms that are more severe than chronic hepatitis. If hepatitis D infection occurs for 6 months or more, then the infection that occurs is a chronic infection. In chronic infections, symptoms will appear and worsen slowly. Viruses usually remain in the body for several...