| Information received on 04/08/2020 from Dr Nikolay Vlasov, Deputy Head, Federal Service for Veterinary and Phytosanitary Surveillance , Ministry of Agriculture, Moscou, Russia | |
|
Summary
| Report type |
Immediate notification |
| Date of start of the event |
28/07/2020 |
| Date of confirmation of the event |
03/08/2020 |
| Report date |
04/08/2020 |
| Date submitted to OIE |
04/08/2020 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
24/11/2005 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic influenza A virus |
| Serotype |
H5N8 |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced), Necropsy |
| This event pertains to |
a defined zone within the country | |
|
|
| Outbreak 1 |
Peschanoe, Uvel抯ky, Chelyabinskaya Oblast |
| Date of start of the outbreak |
28/07/2020 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Village |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
156 |
99 |
99 |
|
0 | |
| Affected population |
Chickens, Ducks, Geese | |
| Outbreak 2 |
Maloe Shumakovo, Uvel抯ky, Chelyabinskaya Oblast |
| Date of start of the outbreak |
28/07/2020 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Backyard |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
30 |
30 |
30 |
|
0 | |
| Affected population |
Chickens, Ducks, Geese | |
| Summary of outbreaks |
Total outbreaks: 2 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
186 |
129 |
129 |
|
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
69.35% |
69.35% |
100.00% |
** | |
| *Removed from the susceptible population through death, destruction and/or slaughter |
| **Not calculated because of missing information | |
|
Epidemiology
| Source of the outbreak(s) or origin of infection |
- Contact with wild species
|
| Epidemiological comments |
Restriction zones have been established and epidemiological investigations started. Culling and safe disposal of birds is in progress. No bird or bird products have been dispatched outside from affected territories. A wild duck carcass was found during AI passive surveillance on the lake near the village just before the outbreak started. HPAIv H5N8 was detected in a sample of wild duck carcass. | |
|
|
Control measures
| Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Screening
- Traceability
- Quarantine
- Official destruction of animal products
- Official disposal of carcasses, by-products and waste
- Control of wildlife reservoirs
- Zoning
- Disinfection
- Vaccination permitted (if a vaccine exists)
- No treatment of affected animals
|
| Measures to be applied |
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Chelyabinsk office of the Federal Governmental Budgetary InstitutionCentral Scientific and Methodical Veterinary Laboratory (Local laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
01/08/2020 |
Positive |
| All-Russian Research Institute for Animal Health (OIE Reference Laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
01/08/2020 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
