Annals of Tropical Medicine and Public Health
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Year : 2008  |  Volume : 1  |  Issue : 1  |  Page : 15-18

HBsAg serosurveillance among Nepalese blood donors

1 Central Department of Microbiology, Tribhuvan University, Kirtipur, Nepal
2 Nepal Red Cross Society, Central Blood Transfusion Service, Kathmandu, Nepal

Correspondence Address:
Surendra Karki
Central Department of Microbiology, Tribhuvan University, Kirtipur
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1755-6783.43072

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Context: Hepatitis B virus (HBV) is highly infectious and can be transmitted covertly by percutaneous routes and overtly by blood transfusion. Earlier studies among Nepalese blood donors have shown a high seroprevalence of HBV. Regarding this problem Blood Transfusion Service in Nepal has focused seriously for improving its service by various motivation and education programs. Aims: The study was aimed to reveal the seroprevalence of HBV among different category of blood donors, in relation to their sex and age. Settings and Design: Descriptive cross-sectional Study. Materials and Methods: A total of 33,255 blood samples were screened from donors using enzyme-linked immunosorbent assay kits from December 1, 2006 to September 1, 2007 in Central Blood Transfusion Service, Nepal Red Cross Society, Exhibition Road, Kathmandu. Statistical Analysis: Chi-square test was used for significance testing by using the software SPSS ver. 11.5. Results: The seroprevalence of HBsAg among total blood donors was 0.53% (95% confidence interval [CI] = 0.46-0.62%). Significantly, higher seroprevalence was observed among male donors than in females (0.58% vs. 0.18%, respectively) ( P < 0.05). The seroprevalence was significantly higher in the age group 41-50 years (0.88%). Similarly, significantly higher seroprevalence was observed among replacement donors (0.81%) than among volunteer donors (0.5%) ( P < 0.05). Almost similar seroprevalence of HBV was observed among first time and among repeat blood donors (0.53% and 0.54%, respectively) ( P > 0.05). The hepatitis C virus coinfection rate among HBV-infected donors was 1.67%. Conclusions: On the basis of this study, we concluded that the seroprevalence of HBV among Nepalese blood donors in Kathmandu Valley, is decreasing compared to recent past years and is relatively lower than as described for most of the major cities in South Asia. However, similar seroprevalence rate among first time and repeat donors suggests that further improvements are essential.

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