SidaGhanaV1, Main, Exploration, bibRecord, 000A18

Seroprevalence of west nile virus in ghana.

Identifieur interne : 000A18 ( Main/Exploration ); précédent : 000A17; suivant : 000A19

Seroprevalence of west nile virus in ghana.

Auteurs : Wenjing Wang [République populaire de Chine] ; Francis Sarkodie ; Kwabena Danso ; Emmanuel Addo-Yobo ; Shirley Owusu-Ofori ; Jean-Pierre Allain ; Chengyao Li

Source :

Viral immunology [ 1557-8976 ] ; 2009.

RBID : pubmed:19210224

Descripteurs français

KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Anticorps antiviraux (sang), Donneurs de sang, Enfant, Enfant d'âge préscolaire, Femelle, Fièvre à virus West Nile (immunologie), Fièvre à virus West Nile (transmission), Fièvre à virus West Nile (virologie), Fièvre à virus West Nile (épidémiologie), Ghana (épidémiologie), Grossesse, Humains, Immunoglobuline G (sang), Immunoglobuline M (sang), Jeune adulte, Nourrisson, Répartition par âge, Sujet âgé, Transfusion sanguine (effets indésirables), Virus du Nil occidental (immunologie), Études séroépidémiologiques.
MESH :
- effets indésirables : Transfusion sanguine.
- immunologie : Fièvre à virus West Nile, Virus du Nil occidental.
- sang : Anticorps antiviraux, Immunoglobuline G, Immunoglobuline M.
- virologie : Fièvre à virus West Nile.
- épidémiologie : Fièvre à virus West Nile, Ghana.
- Adolescent, Adulte, Adulte d'âge moyen, Donneurs de sang, Enfant, Enfant d'âge préscolaire, Femelle, Grossesse, Humains, Jeune adulte, Nourrisson, Répartition par âge, Sujet âgé, Études séroépidémiologiques.
Wicri :
- geographic : Ghana.

English descriptors

KwdEn :
- Adolescent, Adult, Age Distribution, Aged, Antibodies, Viral (blood), Blood Donors, Blood Transfusion (adverse effects), Child, Child, Preschool, Female, Ghana (epidemiology), Humans, Immunoglobulin G (blood), Immunoglobulin M (blood), Infant, Middle Aged, Pregnancy, Seroepidemiologic Studies, West Nile Fever (epidemiology), West Nile Fever (immunology), West Nile Fever (transmission), West Nile Fever (virology), West Nile virus (immunology), Young Adult.
MESH :
- chemical , blood : Antibodies, Viral, Immunoglobulin G, Immunoglobulin M.
- geographic , epidemiology : Ghana.
- adverse effects : Blood Transfusion.
- epidemiology : West Nile Fever.
- immunology : West Nile Fever, West Nile virus.
- transmission : West Nile Fever.
- virology : West Nile Fever.
- Adolescent, Adult, Age Distribution, Aged, Blood Donors, Child, Child, Preschool, Female, Humans, Infant, Middle Aged, Pregnancy, Seroepidemiologic Studies, Young Adult.

Abstract

The epidemiology of West Nile virus (WNV) in Ghana, sub-Saharan Africa, and its relevance to transfusion were newly assessed. A total of 1324 plasma samples from five Ghanaian populations, including 529 children (<6 y old, pre-transfusion) and 795 adults (236 blood donors, 226 HIV-infected or non-infected pregnant women, 203 HIV symptomatic patients, and 130 AIDS patients) were screened for WNV RNA. No WNV RNA was detected, but 4.8% (13/271) and 27.9% (127/455) carried specific IgG in children and adults, respectively, and 2.4% (4/167) of the children had IgM. The prevalence of IgG antibody to WNV increased progressively and peaked around 30% between ages 1 and 30 y, then stabilized. The absence of viremia in four WNV IgM-positive children, and of reactivation in HIV-infected patients suggests that once host immunity is established, it appears to be robust. In addition, there were no clinical reports of WNV infection in the hospital in Kumasi, Ghana, suggesting that WNV epidemiology in Ghana differs from that seen in the U.S. Most infections occur early in life, and as the window for infection is quite short, the risk of transmission by transfusion appears to be low, and the risk of pathogenicity in immunocompetent recipients appears to be limited in an endemic area such as Ghana.

DOI: 10.1089/vim.2008.0066
PubMed: 19210224

Affiliations:

Le document en format XML

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<author><name sortKey="Owusu Ofori, Shirley" sort="Owusu Ofori, Shirley" uniqKey="Owusu Ofori S" first="Shirley" last="Owusu-Ofori">Shirley Owusu-Ofori</name>
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<term>Adult</term>
<term>Age Distribution</term>
<term>Aged</term>
<term>Antibodies, Viral (blood)</term>
<term>Blood Donors</term>
<term>Blood Transfusion (adverse effects)</term>
<term>Child</term>
<term>Child, Preschool</term>
<term>Female</term>
<term>Ghana (epidemiology)</term>
<term>Humans</term>
<term>Immunoglobulin G (blood)</term>
<term>Immunoglobulin M (blood)</term>
<term>Infant</term>
<term>Middle Aged</term>
<term>Pregnancy</term>
<term>Seroepidemiologic Studies</term>
<term>West Nile Fever (epidemiology)</term>
<term>West Nile Fever (immunology)</term>
<term>West Nile Fever (transmission)</term>
<term>West Nile Fever (virology)</term>
<term>West Nile virus (immunology)</term>
<term>Young Adult</term>
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<term>Fièvre à virus West Nile (transmission)</term>
<term>Fièvre à virus West Nile (virologie)</term>
<term>Fièvre à virus West Nile (épidémiologie)</term>
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<term>Grossesse</term>
<term>Humains</term>
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<term>Immunoglobuline M (sang)</term>
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<term>Nourrisson</term>
<term>Répartition par âge</term>
<term>Sujet âgé</term>
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<term>Virus du Nil occidental (immunologie)</term>
<term>Études séroépidémiologiques</term>
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</keywords>
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</keywords>
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<term>Virus du Nil occidental</term>
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<term>West Nile virus</term>
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<term>Immunoglobuline G</term>
<term>Immunoglobuline M</term>
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<term>Age Distribution</term>
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<term>Child</term>
<term>Child, Preschool</term>
<term>Female</term>
<term>Humans</term>
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<term>Middle Aged</term>
<term>Pregnancy</term>
<term>Seroepidemiologic Studies</term>
<term>Young Adult</term>
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<term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Donneurs de sang</term>
<term>Enfant</term>
<term>Enfant d'âge préscolaire</term>
<term>Femelle</term>
<term>Grossesse</term>
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<term>Jeune adulte</term>
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<front><div type="abstract" xml:lang="en">The epidemiology of West Nile virus (WNV) in Ghana, sub-Saharan Africa, and its relevance to transfusion were newly assessed. A total of 1324 plasma samples from five Ghanaian populations, including 529 children (<6 y old, pre-transfusion) and 795 adults (236 blood donors, 226 HIV-infected or non-infected pregnant women, 203 HIV symptomatic patients, and 130 AIDS patients) were screened for WNV RNA. No WNV RNA was detected, but 4.8% (13/271) and 27.9% (127/455) carried specific IgG in children and adults, respectively, and 2.4% (4/167) of the children had IgM. The prevalence of IgG antibody to WNV increased progressively and peaked around 30% between ages 1 and 30 y, then stabilized. The absence of viremia in four WNV IgM-positive children, and of reactivation in HIV-infected patients suggests that once host immunity is established, it appears to be robust. In addition, there were no clinical reports of WNV infection in the hospital in Kumasi, Ghana, suggesting that WNV epidemiology in Ghana differs from that seen in the U.S. Most infections occur early in life, and as the window for infection is quite short, the risk of transmission by transfusion appears to be low, and the risk of pathogenicity in immunocompetent recipients appears to be limited in an endemic area such as Ghana.</div>
</front>
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<country name="République populaire de Chine"><region name="Guangdong"><name sortKey="Wang, Wenjing" sort="Wang, Wenjing" uniqKey="Wang W" first="Wenjing" last="Wang">Wenjing Wang</name>
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Le SIDA au Ghana (serveur d'exploration)

Seroprevalence of west nile virus in ghana.

Seroprevalence of west nile virus in ghana.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Le SIDA au Ghana (serveur d'exploration)
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