Active Surveillance for Influenza A Virus among Swine, Midwestern United States, 2009-2011

被引：64

作者：

Corzo, Cesar A. ^{[1
,2
]}

Culhane, Marie ^{[2
]}

Juleen, Kevin ^{[2
]}

Stigger-Rosser, Evelyn ^{[3
]}

Ducatez, Mariette F. ^{[3
]}

Webby, Richard J. ^{[3
]}

Lowe, James F. ^{[4
]}

机构：

[1] Univ Minnesota, Coll Vet Med, St Paul, MN 55108 USA

[2] Univ Minnesota, St Paul, MN 55108 USA

[3] St Jude Childrens Res Hosp, Memphis, TN 38105 USA

[4] Carthage Vet Serv, Carthage, IL USA

来源：

EMERGING INFECTIOUS DISEASES | 2013年 / 19卷 / 06期

基金：

美国国家卫生研究院;

关键词：

GENETIC-CHARACTERIZATION; ORAL FLUIDS; PIGS; REASSORTMENT; INFECTIONS; EVOLUTION; TRANSMISSION; POPULATIONS; GENERATION; CYTOKINES;

D O I：

10.3201/eid1906.121637

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

Veterinary diagnostic laboratories identify and characterize influenza A viruses primarily through passive surveillance. However, additional surveillance programs are needed. To meet this need, an active surveillance program was conducted at pig farms throughout the midwestern United States. From June 2009 through December 2011, nasal swab samples were collected monthly from among 540 groups of growing pigs and tested for influenza A virus by real-time reverse transcription PCR. Of 16,170 samples, 746 were positive for influenza A virus; of these, 18.0% were subtype H1N1., 16.0% H1N2, 7.6% H3N2, and 14.5% (H1N1)pdm09. An influenza (H3N2) and (H1N1) pdm09 virus were identified simultaneously in 8 groups. This active influenza A virus surveillance program provided quality data and increased the understanding of the current situation of circulating viruses in the midwestern US pig population.

引用

页码：954 / 960

页数：7

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