Hepatitis B

Hepatitis B (viral hepatitis type B, also known as viral hepatitis B) is caused by hepatitis B virus (HBV), clinical manifestations are: fatigue, loss of appetite, nausea, vomiting, anorexia, hepatomegaly, and abnormal liver function. The incidence is high in developing countries, most of them are asymptomatic, and one third of them show clinical signs of liver damage. According to statistics, the number of asymptomatic hepatitis B virus carriers (HBsAg carriers) in the world exceeds 280 million, and China accounts for about 93 million. Hepatitis B includes the following types: acute hepatitis B (acute jaundice hepatitis, acute jaundice-free hepatitis), chronic hepatitis B, severe hepatitis B, cholestatic hepatitis, cirrhosis after hepatitis, pediatric hepatitis B virus-related nephritis, neonatal hepatitis B, Hepatitis B virus arthritis and so on.