Surveillance of equine influenza viruses through the RESPE network in France from November 2005 to October 2010
Identifieur interne : 000934 ( Main/Exploration ); précédent : 000933; suivant : 000935Surveillance of equine influenza viruses through the RESPE network in France from November 2005 to October 2010
Auteurs : L. J. Legrand [France] ; P. Y. Pitel [France] ; C. J. Marcillaud-Pitel [France] ; A. A. Cullinane [Irlande (pays)] ; A. M. Couroucé [France] ; G. D. Fortier [France] ; F. L. Freymuth [France] ; S. L. Pronost [France]Source :
- Equine Veterinary Journal [ 0425-1644 ] ; 2013-11.
Abstract
Reasons for performing the study: The Réseau d'Epidémio‐Surveillance en Pathologie Equine (RESPE, the French epidemiological network for equine diseases) is a network for epidemio‐surveillance of major equine diseases based around sentry veterinarians in France. Objective: The aim of this study was to evaluate the contribution of RESPE to efficient surveillance of equine influenza virus (EIV) in France. Study design: Retrospective cross‐sectional study. Methods: From November 2005 to October 2010, epidemiological and phylogenetic studies were performed on 1426 nasopharyngeal swabs received at the Frank Duncombe Laboratory. Detection was performed by real‐time reverse transcription polymerase chain reaction using original primers and probes designed in the matrix protein gene. Phylogenetic analysis was carried out on the HA1 part of haemagglutinin gene amplified from 47 positive‐testing samples. Epidemiological information was provided with the majority of samples submitted through RESPE. Results: Of the 920 samples submitted by RESPE‐associated veterinarians, 121 (13.1%) from 42 premises were positive for EIV, compared to 26 (5.1%) of the 607 samples received from non‐RESPE associated veterinarians. The most extensive outbreak was observed between February and May 2009, affecting 70 horses on 23 premises, 15 of which were managed by RESPE‐associated veterinarians. All strains belonged to the American lineage, Florida sublineage, Clade 1 and Clade 2. Clade 1 was identified only during the Grosbois episode. Conclusion: RESPE improved detection of EIV in France, enabled characterisation of the virus strains, yielded valuable information relating to the epidemiology of the disease and identified vaccine breakdown. Potential relevance: Implementation of a similar surveillance network in other countries may reduce the economic losses associated with outbreaks of EIV. The Summary is available in Chinese ‐ see Supporting information.
Url:
DOI: 10.1111/evj.12100
Affiliations:
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L." last="Freymuth">F. L. Freymuth</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Normandie University, Caen</wicri:regionArea><placeName><region type="region">Région Normandie</region><region type="old region">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>UNICAEN, EA 4655‐U2RM: Unité de Recherche Risques Microbiens, Caen</wicri:regionArea><placeName><region type="region">Région Normandie</region><region type="old region">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>CHU de Caen, Department of Virology, Caen</wicri:regionArea><placeName><region type="region">Région Normandie</region><region type="old region">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation></author><author><name sortKey="Pronost, S L" sort="Pronost, S L" uniqKey="Pronost S" first="S. L." last="Pronost">S. L. Pronost</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Frank Duncombe Laboratory, Caen</wicri:regionArea><placeName><region type="region">Région Normandie</region><region type="old region">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Normandie University, Caen</wicri:regionArea><placeName><region type="region">Région Normandie</region><region type="old region">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>UNICAEN, EA 4655‐U2RM: Unité de Recherche Risques Microbiens, Caen</wicri:regionArea><placeName><region type="region">Région Normandie</region><region type="old region">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Equine Veterinary Journal</title><title level="j" type="alt">EQUINE VETERINARY JOURNAL</title><idno type="ISSN">0425-1644</idno><idno type="eISSN">2042-3306</idno><imprint><biblScope unit="vol">45</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="776">776</biblScope><biblScope unit="page" to="783">783</biblScope><biblScope unit="page-count">8</biblScope><date type="published" when="2013-11">2013-11</date></imprint><idno type="ISSN">0425-1644</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0425-1644</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">Reasons for performing the study: The Réseau d'Epidémio‐Surveillance en Pathologie Equine (RESPE, the French epidemiological network for equine diseases) is a network for epidemio‐surveillance of major equine diseases based around sentry veterinarians in France. Objective: The aim of this study was to evaluate the contribution of RESPE to efficient surveillance of equine influenza virus (EIV) in France. Study design: Retrospective cross‐sectional study. Methods: From November 2005 to October 2010, epidemiological and phylogenetic studies were performed on 1426 nasopharyngeal swabs received at the Frank Duncombe Laboratory. Detection was performed by real‐time reverse transcription polymerase chain reaction using original primers and probes designed in the matrix protein gene. Phylogenetic analysis was carried out on the HA1 part of haemagglutinin gene amplified from 47 positive‐testing samples. Epidemiological information was provided with the majority of samples submitted through RESPE. Results: Of the 920 samples submitted by RESPE‐associated veterinarians, 121 (13.1%) from 42 premises were positive for EIV, compared to 26 (5.1%) of the 607 samples received from non‐RESPE associated veterinarians. The most extensive outbreak was observed between February and May 2009, affecting 70 horses on 23 premises, 15 of which were managed by RESPE‐associated veterinarians. All strains belonged to the American lineage, Florida sublineage, Clade 1 and Clade 2. Clade 1 was identified only during the Grosbois episode. Conclusion: RESPE improved detection of EIV in France, enabled characterisation of the virus strains, yielded valuable information relating to the epidemiology of the disease and identified vaccine breakdown. Potential relevance: Implementation of a similar surveillance network in other countries may reduce the economic losses associated with outbreaks of EIV. The Summary is available in Chinese ‐ see Supporting information.</div></front></TEI><affiliations><list><country><li>France</li><li>Irlande (pays)</li></country><region><li>Basse-Normandie</li><li>Région Normandie</li></region><settlement><li>Caen</li></settlement></list><tree><country name="France"><region name="Région Normandie"><name sortKey="Legrand, L J" sort="Legrand, L J" uniqKey="Legrand L" first="L. J." last="Legrand">L. J. Legrand</name></region><name sortKey="Courouce, A M" sort="Courouce, A M" uniqKey="Courouce A" first="A. M." last="Couroucé">A. M. Couroucé</name><name sortKey="Courouce, A M" sort="Courouce, A M" uniqKey="Courouce A" first="A. M." last="Couroucé">A. M. Couroucé</name><name sortKey="Fortier, G D" sort="Fortier, G D" uniqKey="Fortier G" first="G. D." last="Fortier">G. D. Fortier</name><name sortKey="Fortier, G D" sort="Fortier, G D" uniqKey="Fortier G" first="G. D." last="Fortier">G. D. Fortier</name><name sortKey="Fortier, G D" sort="Fortier, G D" uniqKey="Fortier G" first="G. D." last="Fortier">G. D. Fortier</name><name sortKey="Freymuth, F L" sort="Freymuth, F L" uniqKey="Freymuth F" first="F. L." last="Freymuth">F. L. Freymuth</name><name sortKey="Freymuth, F L" sort="Freymuth, F L" uniqKey="Freymuth F" first="F. L." last="Freymuth">F. L. Freymuth</name><name sortKey="Freymuth, F L" sort="Freymuth, F L" uniqKey="Freymuth F" first="F. L." last="Freymuth">F. L. Freymuth</name><name sortKey="Legrand, L J" sort="Legrand, L J" uniqKey="Legrand L" first="L. J." last="Legrand">L. J. Legrand</name><name sortKey="Legrand, L J" sort="Legrand, L J" uniqKey="Legrand L" first="L. J." last="Legrand">L. J. Legrand</name><name sortKey="Legrand, L J" sort="Legrand, L J" uniqKey="Legrand L" first="L. J." last="Legrand">L. J. Legrand</name><name sortKey="Marcillaud Itel, C J" sort="Marcillaud Itel, C J" uniqKey="Marcillaud Itel C" first="C. J." last="Marcillaud-Pitel">C. J. Marcillaud-Pitel</name><name sortKey="Marcillaud Itel, C J" sort="Marcillaud Itel, C J" uniqKey="Marcillaud Itel C" first="C. J." last="Marcillaud-Pitel">C. J. Marcillaud-Pitel</name><name sortKey="Pitel, P Y" sort="Pitel, P Y" uniqKey="Pitel P" first="P. Y." last="Pitel">P. Y. Pitel</name><name sortKey="Pitel, P Y" sort="Pitel, P Y" uniqKey="Pitel P" first="P. Y." last="Pitel">P. Y. Pitel</name><name sortKey="Pitel, P Y" sort="Pitel, P Y" uniqKey="Pitel P" first="P. Y." last="Pitel">P. Y. Pitel</name><name sortKey="Pronost, S L" sort="Pronost, S L" uniqKey="Pronost S" first="S. L." last="Pronost">S. L. Pronost</name><name sortKey="Pronost, S L" sort="Pronost, S L" uniqKey="Pronost S" first="S. L." last="Pronost">S. L. Pronost</name><name sortKey="Pronost, S L" sort="Pronost, S L" uniqKey="Pronost S" first="S. L." last="Pronost">S. L. Pronost</name></country><country name="Irlande (pays)"><noRegion><name sortKey="Cullinane, A A" sort="Cullinane, A A" uniqKey="Cullinane A" first="A. 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