Information received on 16/12/2020 from Dr Nicolay Vlasov, , Federal Service for Veterinary and Phytosanitary Surveillance , Ministry of Agriculture, Moscow, Russia
Summary
Report type Follow-up report No. 4
Date of start of the event 18/09/2020
Date of confirmation of the event 23/09/2020
Report date 16/12/2020
Date submitted to OIE 16/12/2020
Reason for notification First occurrence of a listed disease
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 (28/09/2020)
Follow-up report No. 1 (02/11/2020)
Follow-up report No. 2 (13/11/2020)
Follow-up report No. 3 (24/11/2020)
Follow-up report No. 4 (16/12/2020)
New outbreaks (1)
Outbreak 1 Vladimirovskaya, Akhtubinsky, Astrakhanskaya Oblast
Date of start of the outbreak 07/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 816612 18 18 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 816612 18 18 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.00% 0.00% 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
Unknown or inconclusive
Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
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
Astrakhanskaya Veterinary Laboratory (Local laboratory) Birds polymerase chain reaction (PCR) 09/12/2020 Positive
Federal Centre for Animal Health (OIE Reference Laboratory) Birds virus isolation 10/12/2020 Positive
Federal Centre for Animal Health (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 09/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.