Highly pathogenic avian influenza,
Information received on 22/09/2020 from Dr Ronnie Domingo, Officer-In-Charge, Chief Veterinary Officer, Bureau of Animal Industry, Department of Agriculture, Manila, Philippines
Report type Follow-up report No. 2
Date of start of the event 06/07/2020
Date of confirmation of the event 10/07/2020
Report date 22/09/2020
Date submitted to OIE 22/09/2020
Date event resolved 11/09/2020
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
Related reports Immediate notification (29/07/2020)
Follow-up report No. 1 (04/08/2020)
Follow-up report No. 2 (22/09/2020)
Follow-up report No. 3 (28/09/2020)
Follow-up report No. 4 (13/01/2021)
New outbreaks (1)
Outbreak 1 Sta. Ana, Sta. Ana, Taytay, Rizal
Date of start of the outbreak 10/08/2020
Outbreak status Resolved (11/09/2020)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 171 20 171 0
Affected population Ten owners have voluntarily surrendered their flocks for culling and disposal as part of disease control measures but only two flocks have been tested positive.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 171 20 171 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 11.70% ** ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • Contact with wild species
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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations