Highly pathogenic avian influenza,
Russia
Information received on 25/08/2020 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 11/08/2020
Date of confirmation of the event 13/08/2020
Report date 25/08/2020
Date submitted to OIE 25/08/2020
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 H5
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 (3)
Outbreak 1 Novgorodtsevo, Krutinsky, Omskaya Oblast
Date of start of the outbreak 11/08/2020
Outbreak status Resolved (11/09/2020)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 222 168 168 54 0
Outbreak 2 Sitnikovo, Nizhneomsky, Omskaya Oblast
Date of start of the outbreak 11/08/2020
Outbreak status Resolved (11/09/2020)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 186 35 35 151 0
Outbreak 3 Novotimopheevka, Poltavsky, Omskaya Oblast
Date of start of the outbreak 11/08/2020
Outbreak status Resolved (11/09/2020)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 135 63 63 72 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 543 266 266 277 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 48.99% 48.99% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
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
  • 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
Omskaya Veterinary Laboratory (Local laboratory) Birds polymerase chain reaction (PCR) 13/08/2020 Positive
All-Russian Research Institute for Animal Health (OIE Reference Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 13/08/2020 Positive
All-Russian Research Institute for Animal Health (OIE Reference Laboratory) Birds virus sequencing 17/08/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations