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2021-1-19 16:55:12

OIE: Highly pathogenic avian influenza(H5N6), Philippines
submited by kickingbird at Jul, 30, 2020 10:33 AM from OIE

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
Report type Immediate notification
Date of start of the event 06/07/2020
Date of confirmation of the event 10/07/2020
Report date 29/07/2020
Date submitted to OIE 29/07/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 09/03/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 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.
Summary of outbreaks 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%
*Removed from the susceptible population through death, destruction and/or slaughter
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.
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
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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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