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Volume 16, Number 5—May 2010
Dispatch

Bluetongue Virus in Wild Deer, Belgium, 2005–2008

Annick LindenComments to Author , Fabien Grégoire, Adrien Nahayo, David Hanrez, Bénédicte Mousset, Audrey Laurent Massart, Ilse De Leeuw, Elise Vandemeulebroucke, Frank Vandenbussche, and Kris De Clercq
Author affiliations: University of Liège, Liège, Belgium (A. Linden, F. Grégoire, A. Nahayo, D. Hanrez, B. Mousset, L. Massart); Veterinary and Agrochemical Research Centre, Ukkel, Belgium (I. De Leeuw, E. Vandemeulebroucke, F. Vandenbussche, K. De Clercq)

Main Article

Table

Seroprevalence of bluetongue virus among red deer, by age and study area, Belgium, 2006–2008*

Characteristic 2006
2007
2008
No. positive/
no. tested (%) 95% CI No. positive/
no. tested (%) 95% CI No. positive/
no. tested (%) 95% CI
Age†
Adults 4/221 (1.81) 0.05–3.57 142/216 (65.74) 59.41–72.07 111/185 (60.00) 52.94–67.06
Subadults 1/59 (1.69) 0.00–4.99 45/82 (54.88) 44.11–65.65 27/75 (36.00) 25.14–46.86
Juveniles 2/178 (1.12) 0.00–2.67 80/213 (37.56) 31.06–44.06 11/191 (5.76) 2.46–9.06
Area‡
Eastern ND ND 81/161 (50.31) 42.59–58.03 43/123 (34.96) 26.53–43.39
Central ND ND 103/154 (66.88) 59.45–74.32 61/135 (45.19) 36.79–53.58
Southern ND ND 32/105 (30.48) 21.67–39.28 27/133 (20.30) 13.46–27.14

*CI, confidence interval; ND, not determined.
†Adults, >2 y of age; subadults, 1–2 y of age; juveniles, <1 y of age.
‡Fourteen forest districts were distributed among 3 nonadjacent areas, 5 in the eastern area, 4 in the central area, and 5 in the southern area.

Main Article

Page created: December 23, 2010
Page updated: December 23, 2010
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