Intrafamilial transmission of hepatitis C virus in Japan

K Michitaka1, M Onji, N Horiike

  • 1Third Department of Internal Medicine, Ehime University School of Medicine, Japan.

Insights

Hepatitis C virus (HCV) can spread within families. This study found evidence of HCV transmission among relatives, suggesting intrafamilial spread is a possible infection route.

Area of Science:

  • Hepatology
  • Virology
  • Infectious Diseases

Background:

  • Hepatitis C virus (HCV) infection can lead to chronic liver disease.
  • Understanding HCV transmission routes is crucial for public health interventions.

Purpose of the Study:

  • To investigate the potential for intrafamilial transmission of Hepatitis C virus (HCV).

Main Methods:

  • Screened 36 family members from 16 patients with anti-HCV-positive chronic liver disease using enzyme-linked immunosorbent assay (ELISA).
  • Analyzed HCV antibody status in family members, including offspring and spouses, of infected individuals.

Main Results:

  • HCV antibody clusters were identified in 2 out of 16 families (12.5%).
  • Four out of 35 family members (11.4%) without a history of blood transfusion tested positive for HCV antibodies.
  • Two offspring (11.8%) of HCV-positive mothers and one spouse (20.0%) were also positive for HCV antibodies.

Conclusions:

  • Intrafamilial transmission appears to be a significant factor in the spread of Hepatitis C virus.
  • These findings highlight the importance of considering household contacts in HCV screening and prevention strategies.

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