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Volume 8, Number 8—August 2002
Research

Serologic Evidence of H1 Swine Influenza Virus Infection in Swine Farm Residents and Employees

Christopher W. Olsen*Comments to Author , Lynnette Brammer†, Bernard C. Easterday*, Nancy Arden†‡, Ermias D. Belay†, Inger Baker†, and Nancy J. Cox†
Author affiliations: *University of Wisconsin-Madison, Madison, Wisconsin, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ‡College of Medicine, Texas A & M University, College Station, Texas, USA;

Main Article

Table 2

Geometric mean titers of preseason serum samples from farm participants and urban control serum samples

Reference influenza A viruses
Participants A/Johannesburg/82/96 (A/JOH)
(human H1N1 virus) A/Nanchang/933/95
(A/NAN)
(human H3N2 virus) A/Nebraska/01/92
(A/NEB)
(zoonotic swine H1N1 virus) A/Swine/Indiana/1726/88
(Sw/IND)
(swine H1N1 virus)
Farm participants 15.3 8.6 13.2a 15.7a
Urban control participants 14.2 8.0 5.1 5.4

ap>0.0001 (Wilcoxon rank sum analysis with normal approximation).

Main Article

Page created: July 16, 2010
Page updated: July 16, 2010
Page reviewed: July 16, 2010
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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