Multiyear Serological Surveillance of Notifiable Influenza A Viruses in Belgian Poultry: A Retrospective Analysis.
Identifieur interne : 000025 ( Main/Corpus ); précédent : 000024; suivant : 000026Multiyear Serological Surveillance of Notifiable Influenza A Viruses in Belgian Poultry: A Retrospective Analysis.
Auteurs : Sylvie Marché ; Philippe Houdart ; Thierry Van Den Berg ; Bénédicte LambrechtSource :
- Avian diseases [ 0005-2086 ] ; 2015.
English descriptors
- KwdEn :
- Animals, Antibodies, Viral (blood), Belgium (epidemiology), Enzyme-Linked Immunosorbent Assay (veterinary), Female, Influenza A virus (isolation & purification), Influenza in Birds (epidemiology), Influenza in Birds (virology), Poultry, Poultry Diseases (epidemiology), Poultry Diseases (virology), Prevalence, Retrospective Studies, Seroepidemiologic Studies.
- MESH :
- chemical , blood : Antibodies, Viral.
- geographic , epidemiology : Belgium.
- epidemiology : Influenza in Birds, Poultry Diseases.
- isolation & purification : Influenza A virus.
- veterinary : Enzyme-Linked Immunosorbent Assay.
- virology : Influenza in Birds, Poultry Diseases.
- Animals, Female, Poultry, Prevalence, Retrospective Studies, Seroepidemiologic Studies.
Abstract
Surveillance of notifiable avian influenza (NAI) virus is mandatory in European member states, and each year a serological survey is performed to detect H5 and H7 circulation in poultry holdings. In Belgium, this serological monitoring is a combination of a stratified and a risk-based approach and is applied to commercial holdings with more than 200 birds. Moreover, a competitive nucleoprotein (NP) ELISA has been used as first screening method since 2010. A retrospective analysis of the serological monitoring performed from 2007 through 2013 showed sporadic circulation of notifiable low-pathogenicity avian influenza (LPAI) viruses in Belgian holdings with a fluctuating apparent flock seroprevalence according to years and species. Overall, the highest apparent flock seroprevalence was detected for the H5 subtype in domestic Anatidae, with 20%-50% for breeding geese and 4%-9% for fattening ducks. Positive serology against non-H5/H7 viruses was also observed in the same species with the use of the IDScreen influenza A antibody competition ELISA kit (ID-vet NP ELISA), and confirmed by isolation of H2, H3, H6, and H9 LPAI viruses. Among Galliformes, the apparent flock seroprevalence was lower, ranging between 0.3% and 1.3%. Circulation of notifiable LPAI viruses was only observed in laying hens with a similar seroprevalence for H5 and H7. Based on ID-vet NP ELISA results, no circulation of LPAI viruses, regardless the subtype, was observed in breeding chickens and fattening turkeys. Retrospectively, the use of an ELISA as first-line test not only reduced the number of hemagglutination inhibition tests to be performed, but also gave a broader evaluation of the prevalence of LPAI viruses in general, and might help to identify the most at-risk farms.
DOI: 10.1637/11122-050615-ResNote
PubMed: 26629630
Links to Exploration step
pubmed:26629630Le document en format XML
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<author><name sortKey="Marche, Sylvie" sort="Marche, Sylvie" uniqKey="Marche S" first="Sylvie" last="Marché">Sylvie Marché</name>
<affiliation><nlm:affiliation>A Avian Virology & Immunology Service, Veterinary and Agrochemical Research Centre (CODA-CERVA), Groeselenberg, 99 B-1180 Brussels, Belgium.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Houdart, Philippe" sort="Houdart, Philippe" uniqKey="Houdart P" first="Philippe" last="Houdart">Philippe Houdart</name>
<affiliation><nlm:affiliation>B Crisis Prevention and Management Unit, Federal Agency for the Safety of the Food Chain, Boulevard du Jardin Botanique 55, B-1000 Brussels, Belgium.</nlm:affiliation>
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<author><name sortKey="Van Den Berg, Thierry" sort="Van Den Berg, Thierry" uniqKey="Van Den Berg T" first="Thierry" last="Van Den Berg">Thierry Van Den Berg</name>
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<author><name sortKey="Lambrecht, Benedicte" sort="Lambrecht, Benedicte" uniqKey="Lambrecht B" first="Bénédicte" last="Lambrecht">Bénédicte Lambrecht</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Multiyear Serological Surveillance of Notifiable Influenza A Viruses in Belgian Poultry: A Retrospective Analysis.</title>
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<author><name sortKey="Van Den Berg, Thierry" sort="Van Den Berg, Thierry" uniqKey="Van Den Berg T" first="Thierry" last="Van Den Berg">Thierry Van Den Berg</name>
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<author><name sortKey="Lambrecht, Benedicte" sort="Lambrecht, Benedicte" uniqKey="Lambrecht B" first="Bénédicte" last="Lambrecht">Bénédicte Lambrecht</name>
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<series><title level="j">Avian diseases</title>
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<term>Enzyme-Linked Immunosorbent Assay (veterinary)</term>
<term>Female</term>
<term>Influenza A virus (isolation & purification)</term>
<term>Influenza in Birds (epidemiology)</term>
<term>Influenza in Birds (virology)</term>
<term>Poultry</term>
<term>Poultry Diseases (epidemiology)</term>
<term>Poultry Diseases (virology)</term>
<term>Prevalence</term>
<term>Retrospective Studies</term>
<term>Seroepidemiologic Studies</term>
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<front><div type="abstract" xml:lang="en">Surveillance of notifiable avian influenza (NAI) virus is mandatory in European member states, and each year a serological survey is performed to detect H5 and H7 circulation in poultry holdings. In Belgium, this serological monitoring is a combination of a stratified and a risk-based approach and is applied to commercial holdings with more than 200 birds. Moreover, a competitive nucleoprotein (NP) ELISA has been used as first screening method since 2010. A retrospective analysis of the serological monitoring performed from 2007 through 2013 showed sporadic circulation of notifiable low-pathogenicity avian influenza (LPAI) viruses in Belgian holdings with a fluctuating apparent flock seroprevalence according to years and species. Overall, the highest apparent flock seroprevalence was detected for the H5 subtype in domestic Anatidae, with 20%-50% for breeding geese and 4%-9% for fattening ducks. Positive serology against non-H5/H7 viruses was also observed in the same species with the use of the IDScreen influenza A antibody competition ELISA kit (ID-vet NP ELISA), and confirmed by isolation of H2, H3, H6, and H9 LPAI viruses. Among Galliformes, the apparent flock seroprevalence was lower, ranging between 0.3% and 1.3%. Circulation of notifiable LPAI viruses was only observed in laying hens with a similar seroprevalence for H5 and H7. Based on ID-vet NP ELISA results, no circulation of LPAI viruses, regardless the subtype, was observed in breeding chickens and fattening turkeys. Retrospectively, the use of an ELISA as first-line test not only reduced the number of hemagglutination inhibition tests to be performed, but also gave a broader evaluation of the prevalence of LPAI viruses in general, and might help to identify the most at-risk farms. </div>
</front>
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<Title>Avian diseases</Title>
<ISOAbbreviation>Avian Dis.</ISOAbbreviation>
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<ArticleTitle>Multiyear Serological Surveillance of Notifiable Influenza A Viruses in Belgian Poultry: A Retrospective Analysis.</ArticleTitle>
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<Abstract><AbstractText>Surveillance of notifiable avian influenza (NAI) virus is mandatory in European member states, and each year a serological survey is performed to detect H5 and H7 circulation in poultry holdings. In Belgium, this serological monitoring is a combination of a stratified and a risk-based approach and is applied to commercial holdings with more than 200 birds. Moreover, a competitive nucleoprotein (NP) ELISA has been used as first screening method since 2010. A retrospective analysis of the serological monitoring performed from 2007 through 2013 showed sporadic circulation of notifiable low-pathogenicity avian influenza (LPAI) viruses in Belgian holdings with a fluctuating apparent flock seroprevalence according to years and species. Overall, the highest apparent flock seroprevalence was detected for the H5 subtype in domestic Anatidae, with 20%-50% for breeding geese and 4%-9% for fattening ducks. Positive serology against non-H5/H7 viruses was also observed in the same species with the use of the IDScreen influenza A antibody competition ELISA kit (ID-vet NP ELISA), and confirmed by isolation of H2, H3, H6, and H9 LPAI viruses. Among Galliformes, the apparent flock seroprevalence was lower, ranging between 0.3% and 1.3%. Circulation of notifiable LPAI viruses was only observed in laying hens with a similar seroprevalence for H5 and H7. Based on ID-vet NP ELISA results, no circulation of LPAI viruses, regardless the subtype, was observed in breeding chickens and fattening turkeys. Retrospectively, the use of an ELISA as first-line test not only reduced the number of hemagglutination inhibition tests to be performed, but also gave a broader evaluation of the prevalence of LPAI viruses in general, and might help to identify the most at-risk farms. </AbstractText>
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<ForeName>Sylvie</ForeName>
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<AffiliationInfo><Affiliation>A Avian Virology & Immunology Service, Veterinary and Agrochemical Research Centre (CODA-CERVA), Groeselenberg, 99 B-1180 Brussels, Belgium.</Affiliation>
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<Author ValidYN="Y"><LastName>Houdart</LastName>
<ForeName>Philippe</ForeName>
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<Author ValidYN="Y"><LastName>van den Berg</LastName>
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<Initials>T</Initials>
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<Keyword MajorTopicYN="N">hemagglutination inhibition</Keyword>
<Keyword MajorTopicYN="N">notifiable avian influenza</Keyword>
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<Keyword MajorTopicYN="N">serological survey</Keyword>
<Keyword MajorTopicYN="N">seroprevalence</Keyword>
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