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  • Title: Seroprevalence of hepatitis B virus among Bhutanese refugees residing in Nepal.
    Author: Shah BK, Bhattacharya S, Parija SC.
    Journal: Kathmandu Univ Med J (KUMJ); 2005; 3(3):239-42. PubMed ID: 18650584.
    Abstract:
    The carrier rate of HBsAg is about 6% in Bhutan and 1% in Nepal. Since outbreaks of viral hepatitis are also known, its high prevalence in a migrated community, if any, maybe a potential threat to the local people. The present study was conducted in Beldangi 2 Extension Camp, a Bhutanese refugee camp located in eastern Nepal to know the HBsAg carrier rate among the refugees. With the help of semi-structured questionnaires, 500 volunteers enrolled were interviewed for the risk factors for HBV transmission. Blood samples of 467 subjects were tested for HBsAg by an immunoassay based on immunochromatographic sandwich principle. Out of 467 samples 4 were positive for HBsAg a prevalence rate of 0.9%. HBsAg carrier rate was found to be low in Bhutanese refugees. From the questionnaires it was also found that they were not engaged in any practice that could increase the chances of HBV transmission. The study shows that the Bhutanese refugees in Nepal in this geographical area are not a threat to the local people as far as HBV transmission is concerned.
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