Avian influenza caused by avirulent viruses in Ibaraki prefecture [Japan]

Avian influenza caused by avirulent viruses in Ibaraki prefecture [Japan]

A low pathogenic avian influenza (LPA1) virus of the H5N2 subtype was isolated for the first time from layer chicken in Japan in 2005. Complete genomic characterization of all eight gene segments showed that these H5N2 isolates in Japan had high homology to the H5N2 strains prevalent in Central Amer...

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Veröffentlicht in:Journal of the Japanese Society of Poultry Diseases (Japan) 2006-09, Vol.42
Hauptverfasser: Okamatsu, M.(National Inst. of Animal Health, Tsukuba, Ibaraki (Japan)), Saito, T, Mase, M, Tsukamoto, K
Format: Artikel
Sprache:jpn
Schlagworte:
AGENT PATHOGENE AVIRULENT
AVIAN INFLUENZAVIRUS
AVIRULENT PATHOGENS
CHICKENS
INFLUENZAVIRUS AVIAIRE
JAPAN
JAPON
ORGANISMOS PATOGENOS AVIRULENTES
POLLO
POULET
VIROSE
VIROSES
VIROSIS
VIRUS DE LA INFLUENZA AVIAR
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Zusammenfassung:A low pathogenic avian influenza (LPA1) virus of the H5N2 subtype was isolated for the first time from layer chicken in Japan in 2005. Complete genomic characterization of all eight gene segments showed that these H5N2 isolates in Japan had high homology to the H5N2 strains prevalent in Central America. Since these viruses were genetically similar each other, this suggested that these isolates were suggested to be derived from a common origin. In the experiment with this virus, the virus was re-isolated from tracheal and cloacal swabs of inoculated chickens and efficiently transmitted to sentinel chickens in adjacent cage.
ISSN:0285-709X