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Hepatitis viruses in non-human primates.

M Makuwa1, S Souquière, P Telfer

  • 1Unité de Rétro Virologie, Centre International de Recherches Médicales de Franceville, Franceville, Gabon. mmakuwa@yahoo.com

Journal of Medical Primatology
|January 12, 2007
PubMed
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Hepatitis B virus (HBV) is prevalent in wild apes in Gabon, with 29.2% testing positive for serological markers. However, no Cercopithecidae monkeys showed signs of HBV, Hepatitis C virus (HCV), or Hepatitis D virus (HDV) infection.

Area of Science:

  • Veterinary Virology
  • Primate Health
  • Epidemiology

Background:

  • Human populations in Gabon exhibit high rates of hepatitis A, B, C, and D viruses.
  • Previous studies focused on human viral hepatitis in the region.
  • The prevalence of these viruses in local non-human primates remained largely uninvestigated.

Purpose of the Study:

  • To determine the prevalence of Hepatitis B virus (HBV), Hepatitis C virus (HCV), and Hepatitis D virus (HDV) in wild-born non-human primates in Gabon and surrounding areas.
  • To assess potential zoonotic reservoirs for human hepatitis viruses within primate populations.

Main Methods:

  • Serological markers for HBV, HCV, and HDV were tested in 441 wild-born non-human primates from Gabon and Congo.
  • An additional 132 imported monkeys were also included in the survey.

Related Experiment Videos

  • Prevalence rates were analyzed across different primate species.

    • Main Results:

    • None of the Cercopithecidae monkeys tested positive for HBV/HDV or HCV.
    • A significant prevalence of HBV serological markers was found in wild-born great apes, with 29.2% of chimpanzees and gorillas testing positive.
    • Nine chimpanzees were identified in the replicative phase of HBV infection, yet showed no clinical symptoms or significant biochemical changes.

    Conclusions:

    • While Cercopithecidae monkeys were negative for HBV/HDV and HCV, and great apes showed HBV prevalence, the study cannot definitively exclude non-human primates as a reservoir for human hepatitis viruses.
    • Further research is needed to fully understand the role of non-human primates in the epidemiology of hepatitis viruses.