OIE: Highly pathogenic avian influenza(H5N8), Israel

OIE: Highly pathogenic avian influenza(H5N8), Israel
submited by kickingbird at Nov, 13, 2020 10:51 AM from OIE

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)

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.

See Also:

https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=36439

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