Asian Journal of Transfusion Science
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ORIGINAL ARTICLE
Year : 2011  |  Volume : 5  |  Issue : 2  |  Page : 144-149

Distribution of Hepatitis B virus genotypes among healthy blood donors in eastern part of North India


1 Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2 Division of Biostatistics, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
3 Department of Microbiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India

Correspondence Address:
Kailash Kumar
Department of Medicine, New G-15, Aurbindo Colony BHU, Varanasi - 221 005, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-6247.83240

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Aim: We evaluated the distribution HBV genotypes among non-remunerated healthy blood donors in eastern North India. Materials and Methods: During screening of donated blood, 176 consecutive HBsAg positive, samples comprised the study. HBV-DNA was quantitative detected in 150 samples by PCR. HBV genotype was determined by identifying genotype-specific DNA band using nested PCR. Results: Majorities were of age group 31-40 yrs (65.3%). Males (92.7%) outnumbered females (7.3%) and were HbeAg-negative HBsAg carriers. Over all, genotype-A was the most prevalent (54%) followed by D (21.3%). We did not find genotype-G and H. Districts under study, divided into four zones: Zone-I genotype-A was most common (62.3%) followed by D (18.8%); Zone-II genotype-C (41.2%) was more frequent followed by D (20.6% and A (17.7%). Zone-III in adjoining Bihar state close to Zone-I, A was more prevalent (81.8%) followed by B and C (9.1%). In Zone-IV adjoining Zone- II had genotype-A (100%) only. Genotype-D had more sporadic distribution. Genotype-E and F were prevalent in Zone I and II (3/150, 2%). Conclusions: Among blood donors HBV genotype-A followed by D was the most prevalent in eastern North India. Genotype-A had pattern of distribution signifying common focus, while D was more sporadic and C had single large pocket (Zone-II) probably common focus but restricting to particular area. Evidences are suggestive of association of HBV genotype in liver dysfunction. An effective treatment and preventive strategies based of genotypes will reduce the disease burden and increase the blood safety.


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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006