Volume 17, Number 12—December 2011
Dispatch
Continuing Threat of Influenza (H5N1) Virus Circulation in Egypt
Table
Epizootologic data for avian influenza (H5N1) virus, Egypt, August 2009–July 2010*
Variable | No. (%) samples |
p value† | |
---|---|---|---|
Collected | Positive | ||
Swab type | NS | ||
Cloacal | 4,353 (78.3) | 217 (5.0) | |
Oropharyngeal | 1,209 (21.7) | 59 (4.9) | |
Governorate | <0.001 | ||
Cairo | 979 (17.6) | 58 (5.9) | |
Qalubiya | 916 (16.5) | 120 (13.1) | |
Menofiya | 1,636 (29.4) | 27 (1.7) | |
Sharkiya | 280 (5.0) | 21 (7.5) | |
Fayyoum | 1,323 (23.8) | 50 (3.8) | |
Beni Suef | 428 (7.7) | 0 | |
Species | <0.001 | ||
Breeder chickens | 50 (0.9) | 5 (10.0) | |
Broiler chickens | 3,803 (68.4) | 163 (4.3) | |
Layer chickens | 710 (12.8) | 97 (13.7) | |
Ducks | 819 (14.7) | 10 (1.2) | |
Geese | 55 (1.0) | 0 | |
Pigeons | 51 (0.9) | 1 (2.0) | |
Turkeys | 74 (1.3) | 0 | |
Location | <0.001 | ||
Abattoir | 330 (5.9) | 38 (11.5) | |
Commercial farm | 2,827 (50.8) | 192 (6.8) | |
Backyard flock | 1,381 (24.8) | 12 (0.9) | |
Live-bird market | 1,024 (18.4) | 34 (3.3) | |
Bird health status | <0.001 | ||
Healthy | 5,255 (94.5) | 235 (4.5) | |
Sick | 214 (3.8) | 35 (16.4) | |
Dead | 93 (1.7) | 6 (6.5) |
*NS, not significant.
†Pearson χ2.