Newcastle disease,
Bulgaria
Information received on 21/07/2020 from Dr Damyan Iliev, Chief Veterinary Officer & Deputy Executive Director, Bulgarian Food Safety Agency, Ministry of Agriculture and Food, Sofia, Bulgaria
Summary
Report type Immediate notification
Date of start of the event 29/06/2020
Date of confirmation of the event 09/07/2020
Report date 21/07/2020
Date submitted to OIE 21/07/2020
Date event resolved 13/07/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 28/01/2019
Manifestation of disease Clinical disease
Causal agent Newcastle disease virus
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (21/07/2020)
Follow-up report No. 1 (25/08/2020)
New outbreaks (2)
Outbreak 1 Bulgaria, Vidin
Date of start of the outbreak 29/06/2020
Outbreak status Resolved (13/07/2020)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 117 92 92 25 0
Outbreak 2 Bulgaria, Vidin
Date of start of the outbreak 13/07/2020
Outbreak status Resolved (13/07/2020)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 44 12 12 32 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 161 104 104 57 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 64.60% 64.60% 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 within containment and/or protection zone
  • Screening
  • Traceability
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • 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 (National laboratory) Birds real-time PCR 13/07/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations