Hepatitis B infection is caused by:

Hepatitis B is the most common hepatitis in China. The population base of hepatitis B patients is very large. Hepatitis B is mainly transmitted through hepatitis B virus. There are three main transmission routes: mother-to-child transmission, blood transmission and sexual transmission. The blood and body fluids of hepatitis B patients with strong virus replication ability contain a large amount of hepatitis B virus, which can be transmitted through intimate contact or damaged skin contact with their body fluids.