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Highly pathogenic avian influenza, Russia
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Information received on 21/09/2020 from Dr Nicolay Vlasov, , Federal Service for Veterinary and Phytosanitary Surveillance ,
Ministry of Agriculture, Moscow, Russia
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Summary
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Outbreak 1 |
Mar’yanovka, Mar’yanovsky, Omskaya Oblast |
Date of start of the outbreak |
11/09/2020 |
Outbreak status |
Resolved (14/10/2020) |
Epidemiological unit |
Backyard |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
92 |
45 |
45 |
47 |
0 |
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Outbreak 2 |
Lad’ya, Engel’ssky, Saratovskaya Oblast |
Date of start of the outbreak |
12/09/2020 |
Outbreak status |
Resolved (09/10/2020) |
Epidemiological unit |
Backyard |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
97 |
13 |
8 |
89 |
0 |
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Outbreak 3 |
Nikulino, Sladkovsky, Tyumenskaya Oblast |
Date of start of the outbreak |
13/09/2020 |
Outbreak status |
Resolved (09/10/2020) |
Epidemiological unit |
Backyard |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
104 |
13 |
13 |
91 |
0 |
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Outbreak 4 |
Udarny, Gor’kovsky, Omskaya Oblast |
Date of start of the outbreak |
13/09/2020 |
Outbreak status |
Resolved (14/10/2020) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
2000 |
400 |
400 |
1600 |
0 |
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Outbreak 5 |
Kurgansky gus’-Saphakulevo, Saphakulevsky, Kurganskaya Oblast |
Date of start of the outbreak |
15/09/2020 |
Outbreak status |
Continuing (or date resolved not provided) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
2396 |
1647 |
1647 |
749 |
0 |
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Summary of outbreaks |
Total outbreaks: 5 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
4689 |
2118 |
2113 |
2576 |
0 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
45.17% |
45.06% |
99.76% |
100.00% |
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*Removed from the susceptible population through death, destruction and/or slaughter |
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Epidemiology
Source of the outbreak(s) or origin of infection |
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Epidemiological comments |
Restriction zones have been established and epidemiological investigations started. Culling and safe disposal of birds is in progress. Products derived from these birds have never been commercially traded.
OIE World Animal Health Information and Analysis Department comment: The outbreak in Bogodukhovka started on 13/09/2020 initially reported through this event has been moved to a new event (OIE reference 36444) after N5 was identified. |
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Control measures
Measures applied |
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Movement control inside the country
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Surveillance outside containment and/or protection zone
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Surveillance within containment and/or protection zone
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Screening
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Traceability
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Quarantine
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Official destruction of animal products
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Official disposal of carcasses, by-products and waste
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Control of wildlife reservoirs
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Selective killing and disposal
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Zoning
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Disinfection
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Vaccination permitted (if a vaccine exists)
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No treatment of affected animals
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Measures to be applied |
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Diagnostic test results
Laboratory name and type |
Species |
Test |
Test date |
Result |
Engelsskaya Veterinary Laboratory (Local laboratory) |
Birds |
polymerase chain reaction (PCR) |
15/09/2020 |
Positive |
Omskaya Veterinary Laboratory (Local laboratory) |
Birds |
polymerase chain reaction (PCR) |
15/09/2020 |
Positive |
Omskaya Veterinary Laboratory (Local laboratory) |
Birds |
polymerase chain reaction (PCR) |
13/09/2020 |
Positive |
Omskaya Veterinary Laboratory (Local laboratory) |
Birds |
polymerase chain reaction (PCR) |
16/09/2020 |
Positive |
Tyumenskaya Veterinary Laboratory (Local laboratory) |
Birds |
polymerase chain reaction (PCR) |
15/09/2020 |
Positive |
All-Russian Research Institute for Animal Health (OIE Reference Laboratory) |
Birds |
polymerase chain reaction (PCR) |
17/09/2020 |
Positive |
All-Russian Research Institute for Animal Health (OIE Reference Laboratory) |
Birds |
reverse transcription - polymerase chain reaction (RT-PCR) |
18/09/2020 |
Positive |
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Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. |
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Map of outbreak locations
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