Philippines - 1 new outbreak of highly pathogenic avian influenza H5N6 in birds in farm, San Luis, Pampanga (OIE, July 29, 2020)

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[TD="align: left"]Highly pathogenic avian influenza,
Philippines[/TD]
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[TD]Information received on 29/07/2020 from Dr Ronnie Domingo, Officer-In-Charge, Chief Veterinary Officer, Bureau of Animal Industry, Department of Agriculture, Manila, Philippines[/TD]
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[TD]Summary

[TD="width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification[/TD]

[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]06/07/2020[/TD]

[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]10/07/2020[/TD]

[TD="width: 10%"]Report date[/TD]
[TD="width: 30%"]29/07/2020[/TD]

[TD="width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]29/07/2020[/TD]

[TD="width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Recurrence of a listed disease[/TD]

[TD="width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]09/03/2018[/TD]

[TD="width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Clinical disease[/TD]

[TD="width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Highly pathogenic avian influenza virus[/TD]

[TD="width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N6[/TD]

[TD="width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Clinical, Laboratory (advanced), Necropsy[/TD]

[TD="width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]

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[TD]New outbreaks (1)[/TD]
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San Carlos, San Carlos, San Luis, Pampanga
Date of start of the outbreak	06/07/2020
Outbreak status	Continuing (or date resolved not provided)
Epidemiological unit	Farm
Affected animals	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 39161 475 460 38701 0
Affected population	Commercial layer poultry farm. Signs observed in 2 buildings were sudden drop in egg production, bluish discoloration of the comb, white nasal discharge, death within 12 hours at the onset of clinical signs. Stamping out procedures were conducted on July 14 and completed in July 17, 2020.

[TD="align: left"]Outbreak 1[/TD]

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Total outbreaks: 1
Total animals affected	Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 39161 475 460 38701 0
Outbreak statistics	Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 1.21% 1.17% 96.84% 100.00%

[TD="align: left"]Summary of outbreaks[/TD]

[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]

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[TD]Epidemiology

Source of the outbreak(s) or origin of infection	Contact with wild species
Epidemiological comments	Presence of wild birds in the rice field beside the layer farm.

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[TD]Control measures

Measures applied	Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Quarantine Stamping out Disinfection Vaccination prohibited No treatment of affected animals
Measures to be applied	Traceability

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[TD]Diagnostic test results

Laboratory name and type	Species	Test	Test date	Result
Animal Disease Diagnosis and Reference Laboratory (National laboratory)	Birds	real-time PCR	10/07/2020	Positive

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[TD]Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

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https://www.oie.int/wahis_2/public/w...reportid=35225