OIE: Highly pathogenic avian influenza(H5N8), Israel

Information received on 13/10/2020 from Dr Tamir Goshen, Acting Director, Veterinary Services and Animal Health, Ministry of Agriculture and Rural Development, Beit Dagan, Israel
Summary
Report type Immediate notification
Date of start of the event 12/10/2020
Date of confirmation of the event 13/10/2020
Report date 13/10/2020
Date submitted to OIE 13/10/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 03/02/2020
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (13/10/2020)
Follow-up report No. 1 (14/10/2020)
New outbreaks (1)
Outbreak 1 (MAANIT) MAANIT, Hadera, Haifa
Date of start of the outbreak 12/10/2020
Outbreak status Resolved (14/10/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 35000 2000 800 34200 0
Affected population 48-week-old heavy breeders. The farm is divided into four pens. The morbidity and mortality occurred in one half of a divided pen. The farm is situated near fish ponds whereas it is the season of birds migration and aquatic migrating birds are resting and feeding in these ponds.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 35000 2000 800 34200 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 5.71% 2.29% 40.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Most likely by wild migrating birds
Epidemiological comments Epidemiological investigation is ongoing. The last time that the virus was diagnosed in Israel was in January 2020 in a Bonelli´s eagle in the desert. The last time that it was diagnosed in a commercial farm was in the north of the country in April 2019, in a turkey farm.
Control measures
Measures applied
  • Movement control inside the country
  • Quarantine
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Kimron Veterinary Institute, Avian Diseases Laboratory (National laboratory) Birds pathogen isolation by egg inoculation 13/10/2020 Positive
Kimron Veterinary Institute, Avian Diseases Laboratory (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 13/10/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.