The Spread of Influenza A(H1N1)pdm09 Virus in Madagascar Described by a Sentinel Surveillance Network.
Identifieur interne : 000984 ( Main/Exploration ); précédent : 000983; suivant : 000985The Spread of Influenza A(H1N1)pdm09 Virus in Madagascar Described by a Sentinel Surveillance Network.
Auteurs : Soatiana Rajatonirina [Madagascar] ; Jean-Michel Heraud [Madagascar] ; Arnaud Orelle [Madagascar] ; Laurence Randrianasolo [Madagascar] ; Norosoa Razanajatovo [Madagascar] ; Yolande Raoelina Rajaona [Madagascar] ; Armand Eugène Randrianarivo-Solofoniaina [Madagascar] ; Fanjasoa Rakotomanana [Madagascar] ; Vincent Richard [Madagascar]Source :
- PLoS ONE [ 1932-6203 ] ; 2012.
Abstract
The influenza A(H1N1)pdm09 virus has been a challenge for public health surveillance systems in all countries. In Antananarivo, the first imported case was reported on August 12, 2009. This work describes the spread of A(H1N1)pdm09 in Madagascar. METHODS: The diffusion of influenza A(H1N1)pdm09 in Madagascar was explored using notification data from a sentinel network. Clinical data were charted to identify peaks at each sentinel site and virological data was used to confirm viral circulation. RESULTS: From August 1, 2009 to February 28, 2010, 7,427 patients with influenza-like illness were reported. Most patients were aged 7 to 14 years. Laboratory tests confirmed infection with A(H1N1)pdm09 in 237 (33.2%) of 750 specimens. The incidence of patients differed between regions. By determining the epidemic peaks we traced the diffusion of the epidemic through locations and time in Madagascar. The first peak was detected during the epidemiological week 47-2009 in Antananarivo and the last one occurred in week 07-2010 in Tsiroanomandidy. CONCLUSION: Sentinel surveillance data can be used for describing epidemic trends, facilitating the development of interventions at the local level to mitigate disease spread and impact.
Url:
DOI: 10.1371/journal.pone.0037067
Affiliations:
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<desc> <address> <addrLine>B.P. 1274 Antananarivo</addrLine> <country key="MG"></country> </address> <ref type="url">http://www.pasteur.mg</ref> </desc> <listRelation> <relation active="#struct-301247" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-301247" type="direct"><org type="regroupinstitution" xml:id="struct-301247" status="VALID"> <orgName>Réseau International des Instituts Pasteur</orgName> <orgName type="acronym">RIIP</orgName> <desc> <address> <addrLine>25, rue du Dr Roux 75724 Paris Cedex 15</addrLine> <country key="FR"></country> </address> <ref type="url">https://research.pasteur.fr/ip-network</ref> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author><author><name sortKey="Randrianasolo, Laurence" sort="Randrianasolo, Laurence" uniqKey="Randrianasolo L" first="Laurence" last="Randrianasolo">Laurence Randrianasolo</name><affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-55578" status="VALID"> <orgName>Institut Pasteur de Madagascar</orgName> <desc> <address> <addrLine>B.P. 1274 Antananarivo</addrLine> <country key="MG"></country> </address> <ref type="url">http://www.pasteur.mg</ref> </desc> <listRelation> <relation active="#struct-301247" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-301247" type="direct"><org type="regroupinstitution" xml:id="struct-301247" status="VALID"> <orgName>Réseau International des Instituts Pasteur</orgName> <orgName type="acronym">RIIP</orgName> <desc> <address> <addrLine>25, rue du Dr Roux 75724 Paris Cedex 15</addrLine> <country key="FR"></country> </address> <ref type="url">https://research.pasteur.fr/ip-network</ref> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author><author><name sortKey="Razanajatovo, Norosoa" sort="Razanajatovo, Norosoa" uniqKey="Razanajatovo N" first="Norosoa" last="Razanajatovo">Norosoa Razanajatovo</name><affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-55578" status="VALID"> <orgName>Institut Pasteur de Madagascar</orgName> <desc> <address> <addrLine>B.P. 1274 Antananarivo</addrLine> <country key="MG"></country> </address> <ref type="url">http://www.pasteur.mg</ref> </desc> <listRelation> <relation active="#struct-301247" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-301247" type="direct"><org type="regroupinstitution" xml:id="struct-301247" status="VALID"> <orgName>Réseau International des Instituts Pasteur</orgName> <orgName type="acronym">RIIP</orgName> <desc> <address> <addrLine>25, rue du Dr Roux 75724 Paris Cedex 15</addrLine> <country key="FR"></country> </address> <ref type="url">https://research.pasteur.fr/ip-network</ref> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author><author><name sortKey="Rajaona, Yolande Raoelina" sort="Rajaona, Yolande Raoelina" uniqKey="Rajaona Y" first="Yolande Raoelina" last="Rajaona">Yolande Raoelina Rajaona</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-193096" status="INCOMING"> <orgName>Malagasy Ministry of Health</orgName> <desc> <address> <addrLine>Antananarivo</addrLine> <country key="MG"></country> </address> </desc> <listRelation> <relation active="#struct-347930" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-347930" type="direct"><org type="institution" xml:id="struct-347930" status="INCOMING"> <orgName>Malagasy Ministry of Health</orgName> <desc> <address> <country key="FR"></country> </address> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author><author><name sortKey="Randrianarivo Solofoniaina, Armand Eugene" sort="Randrianarivo Solofoniaina, Armand Eugene" uniqKey="Randrianarivo Solofoniaina A" first="Armand Eugène" last="Randrianarivo-Solofoniaina">Armand Eugène Randrianarivo-Solofoniaina</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-193096" status="INCOMING"> <orgName>Malagasy Ministry of Health</orgName> <desc> <address> <addrLine>Antananarivo</addrLine> <country key="MG"></country> </address> </desc> <listRelation> <relation active="#struct-347930" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-347930" type="direct"><org type="institution" xml:id="struct-347930" status="INCOMING"> <orgName>Malagasy Ministry of Health</orgName> <desc> <address> <country key="FR"></country> </address> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author><author><name sortKey="Rakotomanana, Fanjasoa" sort="Rakotomanana, Fanjasoa" uniqKey="Rakotomanana F" first="Fanjasoa" last="Rakotomanana">Fanjasoa Rakotomanana</name><affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-55578" status="VALID"> <orgName>Institut Pasteur de Madagascar</orgName> <desc> <address> <addrLine>B.P. 1274 Antananarivo</addrLine> <country key="MG"></country> </address> <ref type="url">http://www.pasteur.mg</ref> </desc> <listRelation> <relation active="#struct-301247" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-301247" type="direct"><org type="regroupinstitution" xml:id="struct-301247" status="VALID"> <orgName>Réseau International des Instituts Pasteur</orgName> <orgName type="acronym">RIIP</orgName> <desc> <address> <addrLine>25, rue du Dr Roux 75724 Paris Cedex 15</addrLine> <country key="FR"></country> </address> <ref type="url">https://research.pasteur.fr/ip-network</ref> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author><author><name sortKey="Richard, Vincent" sort="Richard, Vincent" uniqKey="Richard V" first="Vincent" last="Richard">Vincent Richard</name><affiliation wicri:level="1"><hal:affiliation type="institution" xml:id="struct-55578" status="VALID"> <orgName>Institut Pasteur de Madagascar</orgName> <desc> <address> <addrLine>B.P. 1274 Antananarivo</addrLine> <country key="MG"></country> </address> <ref type="url">http://www.pasteur.mg</ref> </desc> <listRelation> <relation active="#struct-301247" type="direct"></relation> </listRelation> <tutelles><tutelle active="#struct-301247" type="direct"><org type="regroupinstitution" xml:id="struct-301247" status="VALID"> <orgName>Réseau International des Instituts Pasteur</orgName> <orgName type="acronym">RIIP</orgName> <desc> <address> <addrLine>25, rue du Dr Roux 75724 Paris Cedex 15</addrLine> <country key="FR"></country> </address> <ref type="url">https://research.pasteur.fr/ip-network</ref> </desc> </org></tutelle></tutelles></hal:affiliation><country>Madagascar</country></affiliation></author></analytic><idno type="DOI">10.1371/journal.pone.0037067</idno><series><title level="j">PLoS ONE</title><idno type="ISSN">1932-6203</idno><imprint><date type="datePub">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"> <p>The influenza A(H1N1)pdm09 virus has been a challenge for public health surveillance systems in all countries. In Antananarivo, the first imported case was reported on August 12, 2009. This work describes the spread of A(H1N1)pdm09 in Madagascar. METHODS: The diffusion of influenza A(H1N1)pdm09 in Madagascar was explored using notification data from a sentinel network. Clinical data were charted to identify peaks at each sentinel site and virological data was used to confirm viral circulation. RESULTS: From August 1, 2009 to February 28, 2010, 7,427 patients with influenza-like illness were reported. Most patients were aged 7 to 14 years. Laboratory tests confirmed infection with A(H1N1)pdm09 in 237 (33.2%) of 750 specimens. The incidence of patients differed between regions. By determining the epidemic peaks we traced the diffusion of the epidemic through locations and time in Madagascar. The first peak was detected during the epidemiological week 47-2009 in Antananarivo and the last one occurred in week 07-2010 in Tsiroanomandidy. CONCLUSION: Sentinel surveillance data can be used for describing epidemic trends, facilitating the development of interventions at the local level to mitigate disease spread and impact.</p> </div></front></TEI><affiliations><list><country><li>Madagascar</li></country></list><tree><country name="Madagascar"><noRegion><name sortKey="Rajatonirina, Soatiana" sort="Rajatonirina, Soatiana" uniqKey="Rajatonirina S" first="Soatiana" last="Rajatonirina">Soatiana Rajatonirina</name></noRegion><name sortKey="Heraud, Jean Michel" sort="Heraud, Jean Michel" uniqKey="Heraud J" first="Jean-Michel" last="Heraud">Jean-Michel Heraud</name><name sortKey="Orelle, Arnaud" sort="Orelle, Arnaud" uniqKey="Orelle A" first="Arnaud" last="Orelle">Arnaud Orelle</name><name sortKey="Rajaona, Yolande Raoelina" sort="Rajaona, Yolande Raoelina" uniqKey="Rajaona Y" first="Yolande Raoelina" last="Rajaona">Yolande Raoelina Rajaona</name><name sortKey="Rakotomanana, Fanjasoa" sort="Rakotomanana, Fanjasoa" uniqKey="Rakotomanana F" first="Fanjasoa" last="Rakotomanana">Fanjasoa Rakotomanana</name><name sortKey="Randrianarivo Solofoniaina, Armand Eugene" sort="Randrianarivo Solofoniaina, Armand Eugene" uniqKey="Randrianarivo Solofoniaina A" first="Armand Eugène" last="Randrianarivo-Solofoniaina">Armand Eugène Randrianarivo-Solofoniaina</name><name sortKey="Randrianasolo, Laurence" sort="Randrianasolo, Laurence" uniqKey="Randrianasolo L" first="Laurence" last="Randrianasolo">Laurence Randrianasolo</name><name sortKey="Razanajatovo, Norosoa" sort="Razanajatovo, Norosoa" uniqKey="Razanajatovo N" first="Norosoa" last="Razanajatovo">Norosoa Razanajatovo</name><name sortKey="Richard, Vincent" sort="Richard, Vincent" uniqKey="Richard V" first="Vincent" last="Richard">Vincent Richard</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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