Surveillance and Analysis of Avian Influenza Viruses, Australia

被引：60

作者：

Hansbro, Philip M. ^{[1
]}

Warner, Simone ^{[2
]}

Tracey, John P. ^{[3
]}

Arzey, K. Edla ^{[4
]}

Selleck, Paul ^{[5
]}

O'Riley, Kim ^{[2
]}

Beckett, Emma L. ^{[1
]}

Bunn, Chris ^{[6
]}

Kirkland, Peter D. ^{[4
]}

Vijaykrishna, Dhanasekaran ^{[7
]}

Olsen, Bjorn ^{[8
,9
]}

Hurt, Aeron C. ^{[10
]}

机构：

[1] Univ Newcastle, Newcastle, NSW 2308, Australia

[2] Dept Primary Ind, Attwood, Vic, Australia

[3] Orange Agr Inst, Orange, NSW, Australia

[4] Elizabeth Macarthur Agr Inst, Menangle, NSW, Australia

[5] Australian Anim Hlth Labs, Geelong, Vic, Australia

[6] Dept Agr Fisheries & Forestry, Canberra, ACT, Australia

[7] Duke NUS Grad Med Sch, Singapore, Singapore

[8] Kalmar Univ, Kalmar, Sweden

[9] Uppsala Univ, Uppsala, Sweden

[10] WHO, Collaborating Ctr Reference & Res Influenza, Melbourne, Vic, Australia

来源：

EMERGING INFECTIOUS DISEASES | 2010年 / 16卷 / 12期

基金：

英国医学研究理事会; 瑞典研究理事会;

关键词：

WILD AQUATIC BIRDS; A VIRUS; PARAMYXOVIRUSES; OUTBREAK;

D O I：

10.3201/eid1612.100776

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

We investigated carriage of avian influenza viruses by wild birds in Australia 2005-2008 to assess the risks to poultry industries and human health We collected 21 858 (7 357 cloacal 14 501 fecal) samples and detected 300 viruses representing a detection rate of approximate to 1 4% Rates were highest in autumn (March May) and differed substantially between bird types, areas, and years We typed 107 avian influenza viruses and identified 19 H5 8 H7, and 16 H9 (40% of typed viruses) All were of low pathogenicity These viruses formed clearly different phylogenetic clades to lineages from Eurasia or North America, suggesting the potential existence of Australian lineages H7 viruses were similar to highly pathogenic H7 strains that caused outbreaks in poultry in Australia Several periods of increased detection rates (numbers or subtypes of viruses) were identified This study demonstrates the need for ongoing surveillance to detect emerging pathogenic strains and facilitate prevention of outbreaks

引用

页码：1896 / 1904

页数：9

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