Highly pathogenic avian influenza,
Bulgaria
Information received on 14/11/2017 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. 1
Date of start of the event 17/10/2017
Date of confirmation of the event 17/10/2017
Report date 14/11/2017
Date submitted to OIE 14/11/2017
Date event resolved 31/12/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/04/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (22/10/2017)
Follow-up report No. 1 (14/11/2017)
Follow-up report No. 2 (11/02/2018)
Follow-up report No. 3 (26/02/2018)
New outbreaks (2)
Outbreak 1 Glushnik, Sliven, Sliven
Date of start of the outbreak 02/11/2017
Outbreak status Resolved (31/12/2017)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1358 12 12 1346 0
Outbreak 2 Zimnitsa, Straldzha, Jambol
Date of start of the outbreak 02/11/2017
Outbreak status Resolved (31/12/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10830 100 100 10730 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 12188 112 112 12076 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.92% 0.92% 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
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 disposal of carcasses, by-products and waste
  • Stamping out
  • Control of wildlife reservoirs
  • 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 02/11/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations