Swine-to-Human Transmission of Influenza A(H3N2) Virus at Agricultural Fairs, Ohio, USA, 2012

被引：72

作者：

Bowman, Andrew S. ^{[1
]}

Nelson, Sarah W. ^{[1
]}

Page, Shannon L. ^{[2
]}

Nolting, Jacqueline M. ^{[1
]}

Killian, Mary L. ^{[3
]}

Sreevatsan, Srinand ^{[4
]}

Slemons, Richard D. ^{[1
]}

机构：

[1] Ohio State Univ, Columbus, OH 43210 USA

[2] Ohio Dept Hlth, Columbus, OH 43266 USA

[3] USDA, Natl Vet Serv Labs, Ames, IA 50010 USA

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

来源：

EMERGING INFECTIOUS DISEASES | 2014年 / 20卷 / 09期

基金：

美国国家卫生研究院;

关键词：

UNITED-STATES; HUMAN INFECTIONS; VARIANT VIRUS; A VIRUSES; ANIMAL INFLUENZA; ORIGIN; PIGS; H1N1; OUTBREAK;

D O I：

10.3201/eid2009.131082

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

Agricultural fairs provide an opportunity for bidirectional transmission of influenza A viruses. We sought to determine influenza A virus activity among swine at fairs in the United States. As part of an ongoing active influenza A virus surveillance project, nasal swab samples were collected from exhibition swine at 40 selected Ohio agricultural fairs during 2012. Influenza A(H3N2) virus was isolated from swine at 10 of the fairs. According to a concurrent public health investigation, 7 of the 10 fairs were epidemiologically linked to confirmed human infections with influenza A(H3N2) variant virus. Comparison of genome sequences of the subtype H3N2 isolates recovered from humans and swine from each fair revealed nucleotide identities of >99.7%, confirming zoonotic transmission between swine and humans. All influenza A(H3N2) viruses isolated in this study, regardless of host species or fair, were >99.5% identical, indicating that 1 virus strain was widely circulating among exhibition swine in Ohio during 2012.

引用

页码：1472 / 1480

页数：9

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