Viral hepatitis

Viral hepatitis (including A, B and non-A non-B) is a legal infectious disease, which is characterized by strong infectiousness, complex transmission routes, widespread epidemic, and high incidence; some types of B and non-A non-B Hepatitis patients can become chronic and cause great harm to people's health. According to the etiological diagnosis, there are at least five types of hepatitis viruses, namely hepatitis A, B, C, D, and E, which cause viral hepatitis A, B, C, D, and E, respectively, or hepatitis A. , Hepatitis B (hepatitis B), hepatitis C (hepatitis C), hepatitis D (hepatitis D) and hepatitis E (hepatitis E). The other, called hepatitis G virus hepatitis, is rare. Among them, type A and type E are mainly manifested as acute hepatitis, types B, C, and D are mainly manifested as chronic hepatitis and may develop into hepatitis cirrhosis and hepatocellular carcinoma. The pathogenicity of hepatitis G virus and TTV virus is still unknown. Controversial. In addition, many other known viruses, such as cytomegalovirus, Epstein-Barr virus, yellow fever virus, rubella virus, herpes simplex virus, coxsackie virus, ECHO virus, etc., can also cause liver inflammation. The main clinical manifestations are fatigue, loss of appetite, nausea, vomiting, hepatomegaly and liver damage, and some patients may have jaundice and fever. Some patients experience hives, joint pain or upper respiratory symptoms.