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2024-11-22 23:45:39


OIE: Highly pathogenic avian influenza (H5N8), Russia
submited by kickingbird at Sep, 22, 2020 11:6 AM from OIE

Information received on 21/09/2020 from Dr Nikolay Vlasov, Deputy Head, Federal Service for Veterinary and Phytosanitary Surveillance , Ministry of Agriculture, Moscou, Russia
Summary
Report type Follow-up report No. 4
Date of start of the event 11/08/2020
Date of confirmation of the event 13/08/2020
Report date 21/09/2020
Date submitted to OIE 21/09/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 20/05/2019
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (25/08/2020)
Follow-up report No. 1 (01/09/2020)
Follow-up report No. 2 (03/09/2020)
Follow-up report No. 3 (14/09/2020)
Follow-up report No. 4 (21/09/2020)
New outbreaks (6)
Outbreak 1 Mar抷anovka, Mar抷anovsky, Omskaya Oblast
Date of start of the outbreak 11/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 92 45 45
Outbreak 2 Lad抷a, Engel抯sky, Saratovskaya Oblast
Date of start of the outbreak 12/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 97 13 8
Outbreak 3 Bogodukhovka, Pavlogradsky, Omskaya Oblast
Date of start of the outbreak 13/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 141 58 58
Outbreak 4 Udarny, Gor択ovsky, Omskaya Oblast
Date of start of the outbreak 13/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2000 400 400
Outbreak 5 Nikulino, Sladkovsky, Tyumenskaya Oblast
Date of start of the outbreak 13/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 104 10 10 0
Outbreak 6 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 2300 759 759
Summary of outbreaks Total outbreaks: 6
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4734 1285 1280 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 27.14% 27.04% 99.61% **
*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
  • Unknown or inconclusive
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.
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
  • Selective killing and disposal
  • Zoning
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Stamping out
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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
See Also: Latest news in those days:

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