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Hepatitis B virus, a common cause of viral hepatitis, consumes a large portion of health resources in developing countries. Data obtained from the Survey of Health and Disease in the Islamic Republic of Iran were analysed with respect to hepatitis B-carrier epidemiology. Since the precise mode of transmission of hepatitis B is not well known, the study was designed to evaluate its transmission as a community-acquired disease. HBsAg tests were performed on the sera of 39 841 persons and the impact of several factors on the prevalence rate of HBV carriers was determined. The rate of hepatitis B carriers varied between zero and 3.9% with an average of 1.7%. Older males living in a village with low socioeconomic status, poor sanitation and intrafamily contact are the most important contributors to the rise of hepatitis B infection in the country
Zali et al. (Wed,) studied this question.