[Chronic viral hepatitis B and C in immigrant population, Spain].

Background: the prevalence of chronic viral hepatitis in Spain could vary because of the immigrants coming from countries having an elevated with a higher endemicity of hepatitis B and C virus. Hepatitis B and hepatitis C virus infections are an important health problem worldwide taking into account their chronic consequences. The aim of this study was to know the impact of immigration in the prevalence of chronic viral hepatitis in Spain.