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Hepatitis B virus genotypes A and D in Uganda.

Jackie T Zirabamuzale1, Christopher K Opio1, Freddie Bwanga2

  • 1Department of Medicine , Makerere University College of Health Sciences, Mulago Hospital , Kampala , Uganda.

Journal of Virus Eradication
|August 3, 2016
PubMed
Summary

Hepatitis B virus (HBV) genotype D is most common in Uganda, followed by genotype A. This study identified predominant HBV genotypes, crucial for understanding infection and treatment responses in the region.

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Area of Science:

  • Virology
  • Hepatology
  • Public Health

Background:

  • Hepatitis B virus (HBV) infection affects 10% of Uganda's population.
  • HBV genotypes influence treatment outcomes, spontaneous recovery, and disease progression, including hepatocellular carcinoma.
  • Limited data exists on HBV genotypic distribution within Uganda.

Purpose of the Study:

  • To determine the distribution of Hepatitis B virus genotypes in Uganda.
  • To provide essential data for optimizing HBV management and treatment strategies in the region.

Main Methods:

  • Analysis of 100 stored HBsAg-positive plasma samples with detectable viral loads.
  • DNA extraction and nested PCR for HBV genome amplification.
  • Genotyping performed using INNO-LiPA reverse hybridization assay.

Main Results:

  • Hepatitis B genotype D was predominant (50.5%), followed by genotype A (17.2%).
  • Mixed infections were detected in 28% of samples, with A/E and A/D being most common.
  • Genotypes B, C, E, and H were primarily observed as part of mixed infections.

Conclusions:

  • Hepatitis B genotypes D and A are the predominant genotypes in the studied Ugandan population.
  • Findings highlight the importance of genotype surveillance for effective HBV control and personalized treatment approaches.