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Hepatitis B virus, syphilis, and HIV seroprevalence in pregnant women and their male partners from six indigenous populations of the Peruvian Amazon Basin, 2007–2008

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Authors
Ormaeche, Melvy
Whittembury, Alvaro
Pun, Mónica
Suárez Ognio, Luis
Issue Date
2014-07-17
Keywords
Hepatitis B virus
HIV
Syphilis
Pregnancy
Peru
Amazonas
Sexual Partners
Antibodies, Bacterial
Treponema pallidum

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Citation
Int J Infect Dis. 2012 Oct;16(10):e724-30
Publisher
Elsevier B.V.
Journal
International Journal of Infectious Diseases
URI
http://hdl.handle.net/10757/323397
DOI
10.1016/j.ijid.2012.05.1032
Additional Links
http://www.ncbi.nlm.nih.gov/pubmed/22884008
http://www.ncbi.nlm.nih.gov/pubmed/22884008
Abstract
Objective: To assess the seroprevalence of hepatitis B virus (HBV), syphilis, and HIV and associated risk factors in pregnant women and their male partners from six indigenous populations of the Peruvian Amazon Basin. Methods: A cross-sectional study was performed in six indigenous populations from the Peruvian Amazon Basin. Blood samples were obtained and tested for HBV (antibodies to the hepatitis B core antigen (anti-HBc) and hepatitis B surface antigen (HBsAg)), for syphilis (rapid plasma reagin and microhemagglutination assay for Treponema pallidum antibodies), and for HIV (ELISA and indirect immunofluorescence test). A survey was also performed to identify associated risk factors. Results: One thousand two hundred and fifty-one pregnant women and 778 male partners were enrolled in the study. The seroprevalence of anti-HBc in pregnant women was 42.06% (95% confidence interval (CI) 39.28–44.85%) and in their male partners was 54.09% (95% CI 50.32–57.86%). The seroprevalence of HBsAg in pregnant women was 2.11% (95% CI 0.78–3.44%) and in their male partners was 3.98% (95% CI 1.87–6.08%). The seroprevalence of syphilis in pregnant women was 1.60% (95% CI 0.86–2.33%) and in their male partners was 2.44% (95% CI 1.22–3.66%). HIV seroprevalence in pregnant women was 0.16% (95% CI 0.02–0.58%) and in their male partners was 0.29% (95% CI 0.04–1.03%). Sexual risk factors were strongly related to blood markers of syphilis and HBV. Conclusions: Hepatitis B was found to be hyperendemic and strongly related to sexual factors, suggesting an important sexual component in the transmission of the disease in the populations studied. Syphilis was found to have an endemicity in pregnant women above the national level and this may be indicative of high mother-to-child transmission. HIV has started to show its presence in indigenous populations of the Amazon Basin and the results suggest the epidemic is concentrated.
Type
info:eu-repo/semantics/article
Rights
info:eu-repo/semantics/openAccess
Language
eng
Description
mormaeche@dge.gob.pe
ae974a485f413a2113503eed53cd6c53
10.1016/j.ijid.2012.05.1032
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Medicina

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