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Volume 19, Number 6—June 2013
Research

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

Cesar A. Corzo, Marie CulhaneComments to Author , Kevin Juleen, Evelyn Stigger-Rosser, Mariette F. Ducatez, Richard J. Webby, and James F. Lowe
Author affiliations: University of Minnesota, Saint Paul, Minnesota, USA (C.A. Corzo, M. Culhane, K. Juleen); St. Jude Children’s Research Hospital, Memphis, Tennessee, USA (E. Stigger-Rosser, M.F. Ducatez, R.J. Webby); Carthage Veterinary Services, Carthage, Illinois, USA (J.F. Lowe)

Main Article

Table 2

Influenza virus status among growing pigs, by season, midwestern United States, June 2009–December 2011

Season Influenza virus status, no. groups
 Total, no. groups
Positive Negative
Winter 19 105 124
Spring 37 100 137
Summer 40 110 150
Fall 21 108 129
Total 117 423 540

Main Article

Page created: May 20, 2013
Page updated: May 20, 2013
Page reviewed: May 20, 2013
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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