In Vietnam, the rate of chronic hepatitis B was very high (15-20%). The rate of chronic hepatitis C (was 2-3%) but increasingly. Especially, these rates among addicts were very high. They were two major causes of the primary liver cancer, followed by alcoholism and use of aflatoxin. Therefore, the program of primary liver cancer prevention should concentrate the hepatitis B and hepatitis C prevention and control a well as risk of alcoholism and use of aflatoxin
Liver Neoplasms ; Hepatitis B ; prevention & control

In 1964, Blumberg B.S. found the antigen Au, a surface antigen of hepatitis B virus (HBSAg). Then the serum properties of hepatitis A, D, E and C were found, respectively. In 1995, the new hepatitis viruses including GB agent, hepatitis G virus, hepatitis TTV and hepatitis SEN viruses were found. In 1992, the vaccine of hepatitis A was introduced. There were many improvements of the treatment of hepatitis B and hepatitis C by the traditional and modern medicine
Hepatitis ; Hepatitis B virus ; hepatitis A ; hepatitis C ; Hepatitis Viruses

The Helicobacter pylori is a cause of the gastroduodenal ulceration. There were two test groups for diagnosis. The endoscopic test included biopsy urease test (BUT), histology, culture of microorganism and the polymerase chain reaction (PCR). The non-endoscopic tests included the serum tests; urea breath test. The treatment involved the use of (lasoprazol 30 mg + amoxicillin 1000 mg); (omeprazole 20 mg + clarithromycin 500 mg or metronidazole) every 12 hours x 2 weeks.
Helicobacter pylori ; therapy ; therapeutics

The Asia - Pacific region Agreement 1997 on the management of H. pylori infection recommended the diagnosis and treatment of H. pylori. For diagnosis, urease test was the best technique. The histological tests only used when the unease test was negative. The treatment involved some guidelines: guideline 1 (PPI + clarithromycin 500mg + amoxycilline 100mg), guideline 2 (PPI + clorithromycin 500 mg + metrinidazole 400 mg), guideline 3 (RBC 400mg+ clarithromycin 500 mg + metronidazole 400mg), and guideline 4 (PPI + amoxycilline + metronidazole) within 7 days x 2 times a day.
Infection ; Helicobacter pylori