OIE: Highly pathogenic avian influenza(H5N8), Israel

Information received on 01/11/2020 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. 6
Date of start of the event 12/10/2020
Date of confirmation of the event 13/10/2020
Report date 01/11/2020
Date submitted to OIE 01/11/2020
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)
New outbreaks (2)
Outbreak 1 (SHELUHOT) SHELUHOT, Yizreel, Hazafon
Date of start of the outbreak 29/10/2020
Outbreak status Resolved (01/11/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10670 100 55 10615 0
Affected population 16 weeks old turkeys.
Outbreak 2 (MAYAN ZEVI) MAYAN ZEVI, Hadera, Haifa
Date of start of the outbreak 30/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 8200 1500 115
Affected population 14 weeks old turkey breeders.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 18870 1600 170 10615 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 8.48% 0.90% 10.63% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
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 Pending
Kimron Veterinary Institute, Avian Diseases Laboratory (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/11/2020 Positive
Kimron Veterinary Institute, Avian Diseases Laboratory (National laboratory) Birds virus sequencing 20/10/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.