OIE: Highly pathogenic avian influenza, Mexico
submited by kickingbird at Jul, 30, 2019 9:13 AM from OIE
Summary
|
|
Outbreak 1 |
Coacoatzintla, Veracruz |
Date of start of the outbreak |
29/06/2019 |
Outbreak status |
Resolved (02/07/2019) |
Epidemiological unit |
Backyard |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
25 |
13 |
3 |
22 |
0 | |
Affected population |
Backyard with 25 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death). | |
Outbreak 2 |
Col髇, Queretaro |
Date of start of the outbreak |
03/07/2019 |
Outbreak status |
Continuing (or date resolved not provided) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
174163 |
10 |
0 |
0 |
0 | |
Affected population |
As part of the epidemiological surveillance, samples of tracheal swabs were collected from animals not showing clinical signs in a fattening farm; the virus was isolated. | |
Outbreak 3 |
Dolores Hidalgo, Guanajuato |
Date of start of the outbreak |
10/07/2019 |
Outbreak status |
Resolved (13/07/2019) |
Epidemiological unit |
Backyard |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
20 |
5 |
4 |
16 |
0 | |
Affected population |
Backyard with 20 birds detected following a reported high mortality and clinical signs suggesting highly pathogenic avian influenza (cyanosis, edema and swelling on red comb and wattles and sudden death). | |
Outbreak 4 |
Pedro Escobedo, Queretaro |
Date of start of the outbreak |
11/07/2019 |
Outbreak status |
Resolved (18/07/2019) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
21644 |
10000 |
4275 |
17369 |
0 | |
Affected population |
Light-breeder farm with 21,644 birds, detected following a reported high mortality in birds, with clinical signs pathognomonic of highly pathogenic avian influenza (cyanosis, edema and swelling of red comb and wattles and sudden death). | |
Summary of outbreaks |
Total outbreaks: 4 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
195852 |
10028 |
4282 |
17407 |
0 | |
Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
5.12% |
2.19% |
42.70% |
11.07% | |
*Removed from the susceptible population through death, destruction and/or slaughter | |
Epidemiology
Source of the outbreak(s) or origin of infection |
|
Epidemiological comments |
As a result of epidemiological surveillance, an outbreak was identified in a fattening farm in the municipality of Col髇, State of Quer閠aro, in which the birds did not show clinical signs. In addition, two outbreaks in backyard premises, located in the states of Veracruz and Guanajuato, and another outbreak in a production of light breeders with clinical signs suggestive of highly pathogenic avian influenza (cyanosis, edema and swelling on the red comb and wattles and sudden death) were reported. In all four outbreaks, virus isolation was achieved and quarantine was implemented. The culling of all birds, and the disposal of carcasses, products and waste were completed in three of the outbreaks reported, while they are still underway for the outbreak in the municipality of Col髇, Quer閠aro. IPIV titles were obtained for outbreaks in Santa Cruz de Juventino Rosas, Guanajuato (2.41); Coacoatzintla, Veracruz (2.25) and Col髇, Quer閠aro (2.29). The States of Quer閠aro, Veracruz and Guanajuato have a sanitary condition with low prevalence and the vaccine against the H7N3 avian influenza virus is applied, following prior authorization from SENASICA. | |
|
Control measures
Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Quarantine
- Official disposal of carcasses, by-products and waste
- Vaccination permitted (if a vaccine exists)
- No treatment of affected animals
|
Measures to be applied |
- Stamping out
- Disinfection
- Slaughter
- Ante and post-mortem inspections
| |
|
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. | |
See Also:
Latest news in those days:
[Go Top] [Close Window]
|
Related Pages:
Learn about the flu news, articles, events and more
Subscribe to the weekly F.I.C newsletter!
|