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An H5N1 highly pathogenic avian influenza virus isolated from a duck in Surabaya, East Java, Indonesia, in 2011
Aldise Mareta Nastri, Luh Ade Wilan Kxisna, Masaoki Yamaoka, Emmanuel DjokoPoetranto,Laksmi Wulandari, Resti Yudhawati, Landia Setiawati, Retno AsihSetyoningrum,TeridahErnalaGinting4,AkikoMakino ,KyokoShinya, Yoshihiro
Kawaoka
Abstract
Ever since H5N1 highly pathogenic avian influenza (HPAI) viruses spread worldwide in ate 2003, Indonesia has become one of the hardest hit countries in the world, with the highest count of human victims. Currently, the virus is endemic to this country, with sporadic outbreaks being reported among poultry. To maintain a current understanding of the outbreak situation among poultry in Indonesia, we have been conducting surveillance operations since 2008. In January 2011, there was an H5N1 HPAI outbreak in a chicken farm in Tandes, West Surabaya,Indonesia. About one week after all chickens were culled, a few backyard ducks became ill. A cloacal swab from the sick duck population tested positive for H5NI HPAI virus. The domestic ducks that survived were all culled within three days after onset of illness. Previous reports have suggested that the domestic duck population is likely to be the reservoir for H5NI HPAI viruses(Kim JK et al., 2009). Consistent with this, several studies from Central Java suggest that ducks may be involved in the persistence and spread of H5N1 HPAI viruses among small poultry farms in Indonesia (Henning J et al., 2010; Wibawa H et al., 2011). Our findings support this view and underscore the central role of the duck population in the endemic presence of H5N1 HPAI viruses in this country.
References
Henning J, e al.. Scavenging ducks and transmission of highly pathogenic avian influenza, Java, Indonesia. ErnergInfect Dis 2010. 16:1244-1250.
Wibawa H, et al., A molecular and antigenic survey of HSNI highly pathogenic avian influenza virus isolates from
smallholder duck farms in Central Java, Indonesia during 2007-2008. Virol J. 2011. 8:425.
Kim JK, et al.. Ducks: the "Trojan horses" of H5N1 influenza. Influenza Other Respi Viruses. 2009. 3(4): 121-8.
From: Asian-African Research Forum on Emerging and Reemerging Infections 2012
Date January 11 Wed. to 12 Thu., 2012
Venue Kobe International Conference Center
Conference Schedule and Abstracts -
http://www.med.kobe-u.ac.jp/jgrid/sh...ctions2012.pdf
Credits to mixin for pointing out these conference abstracts
Aldise Mareta Nastri, Luh Ade Wilan Kxisna, Masaoki Yamaoka, Emmanuel DjokoPoetranto,Laksmi Wulandari, Resti Yudhawati, Landia Setiawati, Retno AsihSetyoningrum,TeridahErnalaGinting4,AkikoMakino ,KyokoShinya, Yoshihiro
Kawaoka
Abstract
Ever since H5N1 highly pathogenic avian influenza (HPAI) viruses spread worldwide in ate 2003, Indonesia has become one of the hardest hit countries in the world, with the highest count of human victims. Currently, the virus is endemic to this country, with sporadic outbreaks being reported among poultry. To maintain a current understanding of the outbreak situation among poultry in Indonesia, we have been conducting surveillance operations since 2008. In January 2011, there was an H5N1 HPAI outbreak in a chicken farm in Tandes, West Surabaya,Indonesia. About one week after all chickens were culled, a few backyard ducks became ill. A cloacal swab from the sick duck population tested positive for H5NI HPAI virus. The domestic ducks that survived were all culled within three days after onset of illness. Previous reports have suggested that the domestic duck population is likely to be the reservoir for H5NI HPAI viruses(Kim JK et al., 2009). Consistent with this, several studies from Central Java suggest that ducks may be involved in the persistence and spread of H5N1 HPAI viruses among small poultry farms in Indonesia (Henning J et al., 2010; Wibawa H et al., 2011). Our findings support this view and underscore the central role of the duck population in the endemic presence of H5N1 HPAI viruses in this country.
References
Henning J, e al.. Scavenging ducks and transmission of highly pathogenic avian influenza, Java, Indonesia. ErnergInfect Dis 2010. 16:1244-1250.
Wibawa H, et al., A molecular and antigenic survey of HSNI highly pathogenic avian influenza virus isolates from
smallholder duck farms in Central Java, Indonesia during 2007-2008. Virol J. 2011. 8:425.
Kim JK, et al.. Ducks: the "Trojan horses" of H5N1 influenza. Influenza Other Respi Viruses. 2009. 3(4): 121-8.
From: Asian-African Research Forum on Emerging and Reemerging Infections 2012
Date January 11 Wed. to 12 Thu., 2012
Venue Kobe International Conference Center
Conference Schedule and Abstracts -
http://www.med.kobe-u.ac.jp/jgrid/sh...ctions2012.pdf
Credits to mixin for pointing out these conference abstracts