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Volume 18, Number 12—December 2012
Research

Subclinical Influenza Virus A Infections in Pigs Exhibited at Agricultural Fairs, Ohio, USA, 2009–2011

Andrew S. BowmanComments to Author , Jacqueline M. Nolting, Sarah W. Nelson, and Richard D. Slemons
Author affiliations: The Ohio State University, Columbus, Ohio, USA

Main Article

Table 1

Clinical signs of ILI and influenza virus A recovery from pigs at agricultural fairs, Ohio, USA, 2009–2011*

Year No. participating fairs No. fairs with pigs with ILI No. (%) fairs with >1 pig testing positive for influenza virus A No. (%) fairs with subclinical influenza virus A infection in pigs
2009 15 0 3 (20.0) 3 (20.0)
2010 16 1 3 (18.8) 2 (12.5)
2011 22 1 6 (27.3) 5 (22.7)

*Influenza A virus was recovered from pigs at both fairs where there were pigs with ILI. ILI, influenza-like illness.

Main Article

Page created: November 21, 2012
Page updated: November 21, 2012
Page reviewed: November 21, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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