Hepatitis B
Hepatitis B is a viral infection caused by Hepatitis B virus affecting Liver. HBV is a DNA virus with a remarkably compact genomic structure; despite its small, circular, 3200-bp size, HBV DNA codes for four sets of viral products with a complex, multiparticle structure.
Hepatitis B infection is caused by the hepatitis B virus (HBV). The virus pass from person to person through blood, semen or other body fluids. It does not spread by sneezing or coughing.