Seroepidemiological investigation on virus hepatitis in Fuyang city in 2002

  Objective   To know about the epidemic situation of virus hepatitis in Fuyang city and provide theoretic basis for the prevention of virus hepatitis.

  Methods   Three straitificatio ns including 6 villages and 368 residents were drew out by the method of randomized sampling.Anti-HAV IgG, Anti-HCV IgG and Anti-HEV IgG in blood samples were detected using ELISA method.HBsAg, Anti-HEs and Anti-HBc in blood samples were detected by SPRIA method.

  Results   The standardized prevalence rate of hepatitis A, hepatitis B, hepatitis Cthepatitis E were 38.15%, 41.61%, 0.11%, and 8.29%, respectively.The standardized prev alence rate of hepatitis A and Bincrease with the age.The prevalence rate of hepatitis E was higher in 30~50 years old people than that in younger and older people.The differences in prevalence rate of hepatitis A, hepatitis B, and hepatitis E between female and male were not significant.

  Conclusion   The result revealed some epidemic characters of virus hepatitis in Fuyang city.Since the hepatitis B vaccine was brought into expanded programe on immunization(EPI)for twelve years, HBV infection rate had been decreased evidently in 1~15 years old people.