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Volume 28, Number 10—October 2022

Shortening Duration of Swine Exhibitions to Reduce Risk for Zoonotic Transmission of Influenza A Virus

Dillon S. McBride, Jacqueline M. Nolting, Sarah W. Nelson, Michele M. Spurck, Nola T. Bliss, Eben Kenah, Susan C. Trock, and Andrew S. BowmanComments to Author 
Author affiliations: The Ohio State University, Columbus, Ohio, USA (D.S. McBride, J.M. Nolting, S.W. Nelson, M.M. Spurck, N.T. Bliss, E. Kenah, A.S. Bowman); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S.C. Trock)

Main Article

Table 1

Longitudinal sampling efforts of swine at 16 agricultural fairs included in study of IAV transmission, Ohio and Indiana, USA, 2014 and 2015*

Fair 2014
No. swine exhibited at fair No. samples collected HA–NA subtypes No. swine exhibited at fair No. samples collected HA–NA subtypes
Fair A 377 1,927 H1N1, H3N2, mixed 400 2,092 H1N2, H3N2, mixed
Fair B 424 2,741 H1N1, H3N2, mixed 414 2,719 H3N2
Fair C 274 1,200 Negative 281 1,233 Negative
Fair D 367 2,858 Negative 349 2,732 Negative
Fair E 465 2,568 H1N1 434 2,525 Negative
Fair F 286 1,339 Negative 325 2,099 Negative
Fair G 597 3,813 Negative 659 3,258 Negative
Fair H 523 3,115 H3N2 593 3,549 Negative
Total 3,313 19,561 3,455 20,207

*The number of swine exhibited at fair refers to the total number of individual pigs enrolled in the study. The number of samples collected is the total number of nasal wipes collected during the entire fair. The HA-NA subtypes we isolated are included for the IAV-positive fairs. HA, hemagglutinin; IAV, influenza A virus; NA, neuraminidase.

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Page created: August 15, 2022
Page updated: September 20, 2022
Page reviewed: September 20, 2022
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