Risk factors for Zaire ebolavirus--specific IgG in rural Gabonese populations.
J Infect Dis
; 204 Suppl 3: S768-75, 2011 Nov.
Article
em En
| MEDLINE
| ID: mdl-21987749
ABSTRACT
BACKGROUND:
In Gabon, several Ebolavirus outbreaks have occurred exclusively in the northeastern region. We conducted a large serosurvey to identify areas and populations at risk and potential demographic, clinical, and behavioral risk factors.METHODS:
Blood samples and clinical and sociodemographic data were collected from 4349 adults and 362 children in a random sample of 220 villages in the 9 provinces of Gabon. An enzyme-linked immunosorbent assay was used to detect Zaire ebolavirus (ZEBOV)-specific IgG, and thin blood smears were used to detect parasites. Logistic regression was implemented using Stata software (Stata), and a probability level of <.05 was considered to be statistically significant.RESULTS:
The prevalence of ZEBOV-specific IgG was 15.3% overall, increasing to 32.4% (P< .001) in forest areas. No sociodemographic risk factors were found, but the antibody prevalence increased linearly up to 20 years of age. Chronic arthralgia and amicrofilaremia were the only factors associated with ZEBOV seropositivity.CONCLUSIONS:
These findings confirm the endemicity of ZEBOV in Gabon and its link to the ecosystem. Human antibody positivity would appear to be to the result of exposure to contaminated fruits.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Imunoglobulina G
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Doença pelo Vírus Ebola
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Ebolavirus
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Anticorpos Antivirais
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Especificidade de Anticorpos
Tipo de estudo:
Etiology_studies
/
Prevalence_studies
/
Prognostic_studies
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Risk_factors_studies
Limite:
Adolescent
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Adult
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Aged
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Female
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Humans
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Male
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Middle aged
País/Região como assunto:
Africa
Idioma:
En
Revista:
J Infect Dis
Ano de publicação:
2011
Tipo de documento:
Article
País de afiliação:
Gabão