OIE: Highly pathogenic avian influenza, Russia

Information received on 31/07/2018 from Dr Nikolay Vlasov, Deputy Head of the Rosselkhoznadzor, Ministry of Agriculture, Ministry of Agriculture, Moscow, Russia
Summary
Report type Follow-up report No. 7
Date of start of the event 07/06/2018
Date of confirmation of the event 09/06/2018
Report date 31/07/2018
Date submitted to OIE 31/07/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 13/03/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (13/06/2018)
Follow-up report No. 1 (20/06/2018)
Follow-up report No. 2 (27/06/2018)
Follow-up report No. 3 (04/07/2018)
Follow-up report No. 4 (11/07/2018)
Follow-up report No. 5 (18/07/2018)
Follow-up report No. 6 (25/07/2018)
Follow-up report No. 7 (31/07/2018)
New outbreaks (4)
Outbreak 1 Shumerlya, Shumerlinsky, Chuvashskaya Respublika-Chuvashiya
Date of start of the outbreak 19/07/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 54 3 3 51 0
Outbreak 2 Kaderkino, Shumerlinsky, Chuvashskaya Respublika-Chuvashiya
Date of start of the outbreak 19/07/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 44 19 19 25 0
Outbreak 3 Vypolzovo, Sursky, Ul´Yanovskaya Oblast
Date of start of the outbreak 20/07/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 139 139 55 84 0
Outbreak 4 Verkhniy Indyrchi, Apastovsky, Respublika Tatarstan
Date of start of the outbreak 24/07/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 35 14 14 21 0
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 272 175 91 181 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 64.34% 33.46% 52.00% 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
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Control of wildlife reservoirs
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
All-Russian Research Institute for Animal Health (FGBI-ARRIAH) (National laboratory) Birds polymerase chain reaction (PCR) 21/07/2018 Positive
Chuvashskaya veterinary Laboratory (Regional Laboratory) Birds polymerase chain reaction (PCR) 25/07/2018 Positive
Tatarskaya veterinary Laboratory (Regional Laboratory) Birds polymerase chain reaction (PCR) 25/07/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.