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OIE: Highly pathogenic avian influenza, Bulgaria
submited by kickingbird at Nov, 20, 2018 9:50 AM from OIE

Information received on 17/11/2018 from Dr Damyan Iliev, Chief Veterinary Officer & Deputy Executive Director, Bulgarian Food Safety Agency, Ministry of Agriculture and Food, Sofia, Bulgaria
Summary
Report type Follow-up report No. 4
Date of start of the event 03/10/2018
Date of confirmation of the event 03/10/2018
Report date 17/11/2018
Date submitted to OIE 17/11/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 28/09/2018
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (08/10/2018)
Follow-up report No. 1 (18/10/2018)
Follow-up report No. 2 (26/10/2018)
Follow-up report No. 3 (04/11/2018)
Follow-up report No. 4 (17/11/2018)
New outbreaks (4)
Outbreak 1 Pravoslav, Bratya Daskalovi, Stara Zagora
Date of start of the outbreak 07/11/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3500 3 3 3497 0
Outbreak 2 Chernogorovo, Dimitrovgrad, Haskovo
Date of start of the outbreak 07/11/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 39200 550 550 38650 0
Outbreak 3 Elena, Haskovo, Haskovo
Date of start of the outbreak 09/11/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 220 200 200 20 0
Outbreak 4 Choba, Plovdiv, Brezovo, Plovdiv
Date of start of the outbreak 15/11/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1380 20 0 1380 0
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 44300 773 753 43547 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.74% 1.70% 97.41% 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 outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • 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
National reference laboratory for avian influenza and Newcastle disease (National laboratory) Birds real-time PCR 07/11/2018 Positive
National reference laboratory for avian influenza and Newcastle disease (National laboratory) Birds real-time PCR 15/11/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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