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Volume 23, Number 2—February 2017
Research

Correlation of West Nile Virus Incidence in Donated Blood with West Nile Neuroinvasive Disease Rates, United States, 2010–2012

Edouard Betsem, Zhanna Kaidarova, Susan L. Stramer, Beth Shaz, Merlyn Sayers, German LeParc, Brian S. Custer, Michael P. BuschComments to Author , and Edward L. MurphyComments to Author 
Author affiliations: University of Yaounde 1 Faculty of Medicine and Biomedical Sciences, Yaounde, Cameroon (E. Betsem); Agence de Médecine Préventive, Bobo-Dioulasso, Burkina Faso (E. Betsem); Blood Systems Research Institute, San Francisco, California, USA (E. Betsem, Z. Kaidarova, B. Custer, M.P. Busch, E.L. Murphy); American Red Cross, Gaithersburg, Maryland, USA (S.L. Stramer); New York Blood Center, New York, New York, USA (B. Shaz); Carter BloodCare, Bedford, Texas, USA (M. Sayers); University of Texas Southwestern Medical Center, Dallas, Texas, USA (M. Sayers); OneBlood, St. Petersburg, Florida, USA (G. LeParc); University of California, San Francisco (B. Custer, M.P. Busch, E.L. Murphy)

Main Article

Table

Demographic characteristics of WNV RNA–positive persons who donated blood during WNV seasons, United States, 2010–2012*

Characteristic No. WNV NAT–positive/no. total (%) Crude OR (95% CI) Adjusted OR (95% CI)
Age group
<20 13/154,874 (0.01) Referent Referent
21–29 17/172,947 (0.01) 1.17 (0.56–2.41) 0.96 (0.42–2.20)
30–39 27/164,611 (0.02) 1.95 (1.01–3.78) 1.63 (0.74–3.58)
40–49 27/205,907 (0.01) 1.56 (0.80–3.02) 1.31 (0.60–2.86)
>50
68/498,320 (0.01)
1.62 (0.89–2.94)
1.21 (0.58–2.51)
Sex
F 54/566,850 (0.01) Referent Referent
M
98/629,809 (0.02)
1.63 (1.17–2.27)
1.59 (1.13–2.22)
Race
Nonwhite 20/280,246 (0.01) Referent Referent
White
131/826,704 (0.02)
2.22 (1.38–3.55)
1.75 (1.06–2.89)
Region of residence
Northeast 0/900 Omitted Omitted
West 75/765,873 (0.01) Referent Referent
Midwest 44/141,507 (0.03) 3.17 (2.18–4.60) 2.54 (1.73–3.73)
South
33/288,379 (0.01)
1.16 (0.77–1.75)
1.11 (0.73–1.70)
Year
2010 44/413,840 (0.01) Referent Referent
2011 18/399,980 0.42 (0.24–0.73) 0.43 (0.24–0.74)
2012
90/382,839 (0.02)
2.21 (1.54–3.17)
2.19 (1.52–3.15)
Month
June 5/240,481 Referent Referent
July 28/238,208 (0.01) 5.65 (2.18–14.64) 5.44 (2.09–14.13)
August 76/241,994 (0.03) 15.10 (6.11–37.34) 14.62 (5.90–36.18)
September 39/236,036 (0.02) 7.94 (3.13–20.16) 8.34 (3.28–21.20)
October 4/239,940 0.80 (0.21–2.98) 0.83 (0.22–3.11)

*Data are from Blood Systems, Inc. (Scottsdale, AZ, USA); a total of 1,196,659 donations were included. OR, odds ratio; WNV, West Nile virus.

Main Article

Page created: January 17, 2017
Page updated: January 17, 2017
Page reviewed: January 17, 2017
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