The genetic and antigenic diversity of avian influenza viruses isolated from domestic ducks, muscovy ducks, and chickens in northern and southern Vietnam, 2010–2012
Identifieur interne : 001487 ( Main/Merge ); précédent : 001486; suivant : 001488The genetic and antigenic diversity of avian influenza viruses isolated from domestic ducks, muscovy ducks, and chickens in northern and southern Vietnam, 2010–2012
Auteurs : Masatoshi Okamatsu [Japon] ; Tatsuya Nishi [Japon] ; Naoki Nomura [Japon] ; Naoki Yamamoto [Japon] ; Yoshihiro Sakoda [Japon] ; Kenji Sakurai [Japon] ; Huy Duc Chu [Viêt Nam] ; Long Pham Thanh [Viêt Nam] ; Long Van Nguyen [Viêt Nam] ; Nam Van Hoang [Viêt Nam] ; Tien Ngoc Tien [Viêt Nam] ; Reiko Yoshida [Japon] ; Ayato Takada [Japon] ; Hiroshi Kida [Japon]Source :
- Virus Genes [ 0920-8569 ] ; 2013.
Abstract
Abstract: To estimate the prevalence of avian influenza virus infection in Vietnam, surveillance was conducted in domestic and wild birds from households, live-bird markets, slaughtering sites, and bird sanctuaries in Vietnam between October 2010 and October 2012. Of the 4,550 samples collected, 226 influenza A virus isolates were obtained from domestic ducks, muscovy ducks, and chickens. Of these, 25 and 22 H5N1 highly pathogenic avian influenza viruses (HPAIVs) were isolated from apparently healthy domestic ducks in live-bird markets and slaughtering sites in northern and southern Vietnam, respectively. The HA genes of H5 viruses isolated from birds in northern Vietnam phylogenetically belonged to the genetic clade 2.3.2.1 and those in southern Vietnam belonged to the genetic clade 1.1. In addition, 39 H3, 12 H4, 1 H5, 93 H6, 2 H7, 18 H9, 3 H10, and 11 H11 viruses were isolated. Phylogenetic and antigenic analyses of the H6 and H9 viruses revealed that they were closely related to the isolates obtained from domestic poultry in China. Phylogenetic analyses of internal gene segments of these isolates revealed that these viruses were circulating in both domestic and wild birds in Asia and reassortment events had occurred frequently. Therefore, it will be important to continue the surveillance and strict controls over the movement and trade of poultry and poultry products in order to eradicate H5N1 HPAIV from Asia.
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DOI: 10.1007/s11262-013-0954-7
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Sakoda</name></author><author><name sortKey="Sakurai, Kenji" sort="Sakurai, Kenji" uniqKey="Sakurai K" first="Kenji" last="Sakurai">Kenji Sakurai</name></author><author><name sortKey="Chu, Huy Duc" sort="Chu, Huy Duc" uniqKey="Chu H" first="Huy Duc" last="Chu">Huy Duc Chu</name></author><author><name sortKey="Thanh, Long Pham" sort="Thanh, Long Pham" uniqKey="Thanh L" first="Long Pham" last="Thanh">Long Pham Thanh</name></author><author><name sortKey="Van Nguyen, Long" sort="Van Nguyen, Long" uniqKey="Van Nguyen L" first="Long" last="Van Nguyen">Long Van Nguyen</name></author><author><name sortKey="Van Hoang, Nam" sort="Van Hoang, Nam" uniqKey="Van Hoang N" first="Nam" last="Van Hoang">Nam Van Hoang</name></author><author><name sortKey="Tien, Tien Ngoc" sort="Tien, Tien Ngoc" uniqKey="Tien T" first="Tien Ngoc" last="Tien">Tien Ngoc Tien</name></author><author><name sortKey="Yoshida, Reiko" sort="Yoshida, Reiko" uniqKey="Yoshida R" first="Reiko" last="Yoshida">Reiko 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xml:lang="fr">Japon</country><wicri:regionArea>Laboratory of Microbiology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, 060-0818, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author><author><name sortKey="Nomura, Naoki" sort="Nomura, Naoki" uniqKey="Nomura N" first="Naoki" last="Nomura">Naoki Nomura</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Laboratory of Microbiology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, 060-0818, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author><author><name sortKey="Yamamoto, Naoki" sort="Yamamoto, Naoki" uniqKey="Yamamoto N" first="Naoki" last="Yamamoto">Naoki Yamamoto</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Laboratory of Microbiology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, 060-0818, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author><author><name sortKey="Sakoda, Yoshihiro" sort="Sakoda, Yoshihiro" uniqKey="Sakoda Y" first="Yoshihiro" last="Sakoda">Yoshihiro Sakoda</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Laboratory of Microbiology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, 060-0818, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author><author><name sortKey="Sakurai, Kenji" sort="Sakurai, Kenji" uniqKey="Sakurai K" first="Kenji" last="Sakurai">Kenji Sakurai</name><affiliation wicri:level="4"><country xml:lang="fr">Japon</country><wicri:regionArea>OIE Regional Representation for Asia and the Pacific, The University of Tokyo, Food Science Building 5F, 1-1-1 Yayoi, 113-8657, Bunkyo-ku, Tokyo</wicri:regionArea><placeName><settlement type="city">Tokyo</settlement><region type="région">Région de Kantō</region></placeName><orgName type="university">Université de Tokyo</orgName></affiliation></author><author><name sortKey="Chu, Huy Duc" sort="Chu, Huy Duc" uniqKey="Chu H" first="Huy Duc" last="Chu">Huy Duc Chu</name><affiliation wicri:level="1"><country xml:lang="fr">Viêt Nam</country><wicri:regionArea>Ministry of Agriculture and Rural Development, 15/78 Giaiphong, Phuongmai, Dongda, Hanoi</wicri:regionArea><wicri:noRegion>Hanoi</wicri:noRegion></affiliation></author><author><name sortKey="Thanh, Long Pham" sort="Thanh, Long Pham" uniqKey="Thanh L" first="Long Pham" last="Thanh">Long Pham Thanh</name><affiliation wicri:level="1"><country xml:lang="fr">Viêt Nam</country><wicri:regionArea>Ministry of Agriculture and Rural Development, 15/78 Giaiphong, Phuongmai, Dongda, Hanoi</wicri:regionArea><wicri:noRegion>Hanoi</wicri:noRegion></affiliation></author><author><name sortKey="Van Nguyen, Long" sort="Van Nguyen, Long" uniqKey="Van Nguyen L" first="Long" last="Van Nguyen">Long Van Nguyen</name><affiliation wicri:level="1"><country xml:lang="fr">Viêt Nam</country><wicri:regionArea>Ministry of Agriculture and Rural Development, 15/78 Giaiphong, Phuongmai, Dongda, Hanoi</wicri:regionArea><wicri:noRegion>Hanoi</wicri:noRegion></affiliation></author><author><name sortKey="Van Hoang, Nam" sort="Van Hoang, Nam" uniqKey="Van Hoang N" first="Nam" last="Van Hoang">Nam Van Hoang</name><affiliation wicri:level="1"><country xml:lang="fr">Viêt Nam</country><wicri:regionArea>Ministry of Agriculture and Rural Development, 15/78 Giaiphong, Phuongmai, Dongda, Hanoi</wicri:regionArea><wicri:noRegion>Hanoi</wicri:noRegion></affiliation></author><author><name sortKey="Tien, Tien Ngoc" sort="Tien, Tien Ngoc" uniqKey="Tien T" first="Tien Ngoc" last="Tien">Tien Ngoc Tien</name><affiliation wicri:level="1"><country xml:lang="fr">Viêt Nam</country><wicri:regionArea>Ministry of Agriculture and Rural Development, 15/78 Giaiphong, Phuongmai, Dongda, Hanoi</wicri:regionArea><wicri:noRegion>Hanoi</wicri:noRegion></affiliation></author><author><name sortKey="Yoshida, Reiko" sort="Yoshida, Reiko" uniqKey="Yoshida R" first="Reiko" last="Yoshida">Reiko Yoshida</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Research Center for Zoonosis Control, Hokkaido University, Kita 20 Nishi 10, Kita-ku, 001-0020, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author><author><name sortKey="Takada, Ayato" sort="Takada, Ayato" uniqKey="Takada A" first="Ayato" last="Takada">Ayato Takada</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Research Center for Zoonosis Control, Hokkaido University, Kita 20 Nishi 10, Kita-ku, 001-0020, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author><author><name sortKey="Kida, Hiroshi" sort="Kida, Hiroshi" uniqKey="Kida H" first="Hiroshi" last="Kida">Hiroshi Kida</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Laboratory of Microbiology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, 060-0818, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Research Center for Zoonosis Control, Hokkaido University, Kita 20 Nishi 10, Kita-ku, 001-0020, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Japon</country></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Virus Genes</title><title level="j" type="abbrev">Virus Genes</title><idno type="ISSN">0920-8569</idno><idno type="eISSN">1572-994X</idno><imprint><publisher ref="https://scientific-publisher.data.istex.fr/ark:/67375/H02-SWLMH5L1-1">Springer US</publisher><pubPlace>Boston</pubPlace><note type="URL">http://www.springer-ny.com</note><date type="published" when="2013">2013</date><biblScope unit="vol" from="47" to="47">47</biblScope><biblScope unit="issue" from="2" to="2">2</biblScope><biblScope unit="page" from="317">317</biblScope><biblScope unit="page" to="329">329</biblScope></imprint><idno type="ISSN">0920-8569</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0920-8569</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: To estimate the prevalence of avian influenza virus infection in Vietnam, surveillance was conducted in domestic and wild birds from households, live-bird markets, slaughtering sites, and bird sanctuaries in Vietnam between October 2010 and October 2012. Of the 4,550 samples collected, 226 influenza A virus isolates were obtained from domestic ducks, muscovy ducks, and chickens. Of these, 25 and 22 H5N1 highly pathogenic avian influenza viruses (HPAIVs) were isolated from apparently healthy domestic ducks in live-bird markets and slaughtering sites in northern and southern Vietnam, respectively. The HA genes of H5 viruses isolated from birds in northern Vietnam phylogenetically belonged to the genetic clade 2.3.2.1 and those in southern Vietnam belonged to the genetic clade 1.1. In addition, 39 H3, 12 H4, 1 H5, 93 H6, 2 H7, 18 H9, 3 H10, and 11 H11 viruses were isolated. Phylogenetic and antigenic analyses of the H6 and H9 viruses revealed that they were closely related to the isolates obtained from domestic poultry in China. Phylogenetic analyses of internal gene segments of these isolates revealed that these viruses were circulating in both domestic and wild birds in Asia and reassortment events had occurred frequently. Therefore, it will be important to continue the surveillance and strict controls over the movement and trade of poultry and poultry products in order to eradicate H5N1 HPAIV from Asia.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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