Hepatitis C Virus Infection in Guinea-Bissau: A Sexually Transmitted Genotype 2 with Parenteral Amplification?
2007

Hepatitis C Virus Infection in Guinea-Bissau: A Study on Transmission

Sample size: 1615 publication 10 minutes Evidence: moderate

Author Information

Author(s): Plamondon Mireille, Labbé Annie-Claude, Frost Eric, Deslandes Sylvie, Alves Alfredo Claudino, Bastien Nathalie, Pepin Jacques

Primary Institution: University of Sherbrooke

Hypothesis

What are the mechanisms of Hepatitis C virus transmission in West Africa?

Conclusion

The study suggests that Hepatitis C virus genotype 2 in West Africa is primarily transmitted through sexual intercourse, with some amplification through medical interventions.

Supporting Evidence

  • HCV prevalence was 4.4% among women and 5.0% among men.
  • Older age, ethnic group, region of origin, and involvement in sex work were identified as independent risk factors for HCV infection.
  • 56 out of 57 genotyped isolates were identified as genotype 2.

Takeaway

This study found that people in Guinea-Bissau can get Hepatitis C from having sex, and some medical treatments might make it spread more.

Methodology

A cross-sectional survey was conducted with individuals aged 50 years and older, using dried blood spots for HCV serology and PCR amplification.

Potential Biases

The anonymous approach may have limited the ability to assess HCV transmission within couples.

Limitations

The study only included individuals aged 50 and older and did not link spouses for potential HCV concordance.

Participant Demographics

Participants were individuals aged 50 years and older from Bissau, Guinea-Bissau.

Statistical Information

P-Value

0.07

Confidence Interval

95% CI: 1.18–14.73

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0000372

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