Volume 22, Number 3—March 2016
Synopsis
Avian Influenza A(H5N1) Virus in Egypt
Ghazi Kayali
, Ahmed Kandeil, Rabeh El-Shesheny, Ahmed S. Kayed, Asmaa M. Maatouq, Zhipeng Cai, Pamela McKenzie, Richard Webby, Samir El Refaey, Amr Kandeel, and Mohamed A. Ali
, Ahmed Kandeil, Rabeh El-Shesheny, Ahmed S. Kayed, Asmaa M. Maatouq, Zhipeng Cai, Pamela McKenzie, Richard Webby, Samir El Refaey, Amr Kandeel, and Mohamed A. Ali
Table 1
Epizootiologic data on avian influenza viruses (all types), Egypt, February 2013–December 2014*
| Variable |
Collected samples, no. (%)† |
Influenza A–positive samples, no. (%)‡ |
p value§ |
|---|---|---|---|
| Sample type | |||
| Cloacal | 4,858 (61.4) | 112 (2.3) | <0.01 |
| Oropharyngeal |
3,049 (38.6) |
234 (7.7) |
|
| Governorate | |||
| Cairo | 1,116 (14.1) | 9 (0.8) | <0.01 |
| Daqhaliya | 2,031 (25.7) | 136 (6.7) | |
| Qalubiya | 809 (10.2) | 22 (2.7) | |
| Menofiya | 13 (0.2) | 0 | |
| Sharqiya | 2,160 (27.3) | 123 (5.7) | |
| Fayyoum | 1,642 (20.8) | 48 (2.9) | |
| BeniSuef | 30 (0.4) | 4 (13.3) | |
| Asiut | 69 (0.9) | 4 (5.9) | |
| El Minya |
38 (0.5) |
0 (0) |
|
| Species | |||
| Chickens | 6,863 (86.8) | 322 (4.7) | 0.01 |
| Ducks | 606 (7.7) | 15 (2.5) | |
| Geese | 58 (0.7) | 0 | |
| Pigeons | 243 (3.1) | 2 (0.8) | |
| Turkey | 57 (0.7) | 1 (1.8) | |
| Quail |
80 (1.0) |
6 (7.5) |
|
| Location | |||
| Abattoir | 150 (1.9) | 0 | 0.01 |
| Commercial farm | 4,359 (55.1) | 200 (4.6) | |
| Backyard flock | 1,678 (21.2) | 61 (3.6) | |
| Live bird market |
1,720 (21.8) |
85 (4.6) |
|
| Bird health status | |||
| Healthy | 5,799 (73.3) | 238 (4.1) | NS |
| Ill | 1,629 (20.6) | 86 (5.3) | |
| Dead |
479 (6.1) |
22 (4.6) |
|
| Age group, y | |||
| 0–1 | 7,819 (98.9) | 342 (4.4) | NS |
| >1 | 88 (1.1) | 4 (4.5) | |
*NS, not significant.
†Percentage of total samples collected.
‡Of samples in category.
§By χ2 test comparing positivity rates across variable categories.
Page created: February 16, 2016
Page updated: February 16, 2016
Page reviewed: February 16, 2016
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