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Volume 12, Number 6—June 2006
Dispatch

Preventing Zoonotic Influenza Virus Infection

Alejandro Ramirez*†Comments to Author , Ana W. Capuano*, Debbie A. Wellman*, Kelly A. Lesher*, Sharon F. Setterquist*, and Gregory C. Gray*
Author affiliations: *University of Iowa College of Public Health, Iowa City, Iowa, USA; †Iowa State University College of Veterinary Medicine, Ames, Iowa, USA

Main Article

Table 1

Characteristics of swine workers and controls, Iowa, 2004–2005

Variable Total Study sample, n (%)
Swine workers (n = 49) Controls (n = 79)*
Age group (y)
<29 46 15 (30.6) 31 (39.2)
29–42 40 12 (24.5) 28 (35.4)
>42 42 22 (44.9) 20 (25.3)
Mean age (y) 40.3 35.3
Sex†
Male 63 37 (75.5) 26 (32.9)
Female 65 12 (24.5) 53 (67.1)
Race†
American Indian/Alaska Native 1 0 1 (1.3)
Asian 2 1 (2) 1 (1.3)
African American 18 0 18 (22.8)
Native Hawaiian/Other Pacific Islander 2 0 2 (2.5)
White 105 48 (98) 57 (72.2)
Ethnicity†
Hispanic/Latino 12 10 (21.7) 2 (2.5)
Non-Hispanic/Latino 113 36 (78.3) 77 (97.5)
Served in military
Yes 12 5 (10.4) 7 (8.9)
No 115 43 (89.6) 72 (91.1)
Take medications that weaken immune system
Yes 3 2 (4.2) 1 (1.3)
No 122 44 (91.7) 78 (98.7)
Do not know 2 2 (4.2) 0 (0)
Have heart or vascular disease
Yes 3 2 (4.2) 1 (1.3)
No 124 46 (95.8) 78 (98.7)
Have any chronic lung problems such as asthma or emphysema
Yes 5 2 (4.2) 3 (3.8)
No 122 46 (95.8) 76 (96.2)
Received the 2001–02 influenza vaccine
Yes 37 6 (12.5) 31 (39.2)
No 90 42 (87.5) 48 (60.8)
Received the 2002–03 influenza vaccine†
Yes 36 5 (10.4) 31 (39.2)
No 91 43 (89.6) 48 (60.8)
Received the 2003–04 influenza vaccine†
Yes 43 8 (16.7) 35 (44.3)
No 84 40 (83.3) 44 (55.7)
Received the 1976–77 influenza vaccine†
Yes 2 1 (2.1) 1 (1.3)
No 119 41 (85.4) 78 (98.7)
Do not know 6 6 (12.5) 0
Smoked >5 packs of cigarettes in past year†
Yes 14 9 (18.4) 5 (6.3)
No 114 40 (81.6) 74 (93.7)

*Not exposed to swine.
†Significantly different than controls at α = 0.05.

Main Article

Page created: January 04, 2012
Page updated: January 04, 2012
Page reviewed: January 04, 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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