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Hepatitis B virus (HBV) genotypes in a group of Sri Lankan patients with chronic infection
Tropical Biomedicine ; : 320-324, 2011.
Article in English | WPRIM | ID: wpr-630065
ABSTRACT
Hepatitis B infection causes a wide spectrum of liver diseases. Previous analyses of hepatitis B virus (HBV) genome have revealed eight HBV genotypes (A-H), with distinct geographical distribution worldwide. The epidemiology of HBV genotypes and their implications for natural history of disease progression and response to anti viral therapy have been increasingly recognized. This study was undertaken to determine the HBV genotypes in a group of Sri Lankan patients with chronic infection who presented for investigation prior to treatment. Genotypes were determined (2007-2009) in 25 patients with evidence of chronic HBV infection. A genotyping system based on multiplex-nested PCR using type-specific primers was employed in assigning genotypes A through F. Genotypes G and H were not determined. Among the 25 patients tested, genotypes B [9 (36%)], C [4 (16%)], D [3 (12%)], A [2 (8%)] and E [1 (4%)] were detected. There was a relatively high prevalence of mixed infections with genotypes B+C (3), A+D (1), and B+D (2), which overall constituted 24% of patients. Although this is a non-representative sample, HBV infections among this group of Sri Lankan patients were predominantly genotypes B, C and D.
Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Tropical Biomedicine Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Tropical Biomedicine Year: 2011 Type: Article