Volume 20, Number 8—August 2014
Letter
Serologic Surveillance for West Nile Virus in Dogs, Africa
Table
Prevalence of West Nile virus antibodies in dog populations, France and Africa, 2003–2012
Country and area | No. dogs, N = 753 | No. positive for IgG by ELISA | No. results confirmed by Western blot | Prevalence, % (95% CI) |
---|---|---|---|---|
France | ||||
Corsica | 35* | 3 | 0 | 0 (0–10) |
Var | 25* | 3 | 3 | 12.0 (2.5–31.2) |
Gard | 11* | 1 | 1 | 9.1 (0.2–41.3) |
Imported from | ||||
Germany/the Netherlands | 9* | 0 | 0 | 0 (0–33.6) |
Hungary |
24* |
6 |
3 |
12.5 (2.7–32.4) |
Djibouti |
47* |
8 |
6 |
12.8 (4.8–25.7) |
N'Djamena, Chad | 50* | 13 | 12 | 24.0 (13.1–38.2) |
5 |
5 |
5 |
100.0 (47.8–100.0) |
|
Senegal | ||||
Dakar | 11* | 0 | 0 | 0 (0–28.5) |
16† | 3 | 3 | 18.7 (4.1–45.6) | |
Siné-Saloum | 33 | 6 | 1 | 3.0 (0.1–15.8) |
Casamance |
81 |
3 |
3 |
3.7 (0.8–10.4) |
Abidjan, Côte d’Ivoire | 137 | 7 | 3 | 2.2 (0.5–6.3) |
Kinshasa, Democratic Republic of the Congo | 24 | 4 | 3 | 12.5 (2.7–32.4) |
Haut-Ogooué, Gabon | 245 | 0 | 0 | 0 (0–1.5) |
*French military working dogs.
†Senegalese gendarmerie working dogs.