Prevalence of antibodies to hepatitis A, C, and E viruses in different ethnic groups in French Guiana.
In order to determine the prevalence of antibodies to hepatitis A, C, and E viruses (HAV, HCV, and HEV) in the various ethnic groups and areas of French Guiana, sera (996 for HCV and HEV, 941 for HAV) were tested for antibodies to these viruses using ELISAs. Differences in HAV seroprevalence were found for different age groups, with a large increase in people aged 20-30 years in comparison with those under 20. After logistic analysis, significant differences were found between places of residence; the prevalence of anti-HAV was higher along the Maroni and Oyapock rivers than in the littoral area. The ethnic differences that were observed were generally due to differences in residence. Of all sera, 5.3% were positive for anti-HCV in preliminary tests, but only 1.5% remained positive after confirmation. Brazilians were significantly more frequently infected by HCV than other ethnic groups (4.7%). Sixty-four sera (6.4%) had antibodies to HEV, and differences were found between ethnic groups. Persons of ethnic groups who had emigrated recently to French Guiana had significantly higher seroprevalence rates: 14.6% for Chinese and Hmongs [odds ratio (OR), 4.4; 95% confidence interval (CI), 1.8-10.7], 13.5% for Brazilians (OR, 4.1; CI, 1.8-9.4), and 10.6% for Haitians (OR, 3.1; CI, 1.1-8.7).[1]References
- Prevalence of antibodies to hepatitis A, C, and E viruses in different ethnic groups in French Guiana. Talarmin, A., Kazanji, M., Cardoso, T., Pouliquen, J.F., Sankale-Suzanon, J., Sarthou, J.L. J. Med. Virol. (1997) [Pubmed]
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