Highly pathogenic avian influenza,
Israel
Information received on 12/11/2020 from Dr Tamir Goshen, Acting Director, Veterinary Services and Animal Health, Ministry of Agriculture and Rural Development, Beit Dagan, Israel
Summary
Report type Follow-up report No. 8
Date of start of the event 12/10/2020
Date of confirmation of the event 13/10/2020
Report date 12/11/2020
Date submitted to OIE 12/11/2020
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)
Follow-up report No. 2 (15/10/2020)
Follow-up report No. 3 (19/10/2020)
Follow-up report No. 4 (26/10/2020)
Follow-up report No. 5 (29/10/2020)
Follow-up report No. 6 (01/11/2020)
Follow-up report No. 7 (04/11/2020)
Follow-up report No. 8 (12/11/2020)
Follow-up report No. 9 (06/12/2020)
Follow-up report No. 10 (12/12/2020)
Follow-up report No. 11 (27/12/2020)
New outbreaks (1)
Outbreak 1 (NAHALAL) NAHALAL, Yizreel, Hazafon
Date of start of the outbreak 03/11/2020
Outbreak status Resolved (06/11/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 28000 700 500 27500 0
Affected population 15-week-old turkeys. Neurological symptoms and acute death.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 28000 700 500 27500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 2.50% 1.79% 71.43% 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
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • 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
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 04/11/2020 Positive
Kimron Veterinary Institute, Avian Diseases Laboratory (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 04/11/2020 Positive
Kimron Veterinary Institute, Avian Diseases Laboratory (National laboratory) Birds virus sequencing 04/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations