African swine fever,
Philippines
Information received on 30/10/2019 from Dr Ronnie Domingo, Officer-In-Charge, Chief Veterinary Officer, Bureau of Animal Industry, Department of Agriculture, Manila, Philippines
Summary
Report type Follow-up report No. 1
Date of start of the event 25/07/2019
Date of confirmation of the event 30/08/2019
Report date 30/10/2019
Date submitted to OIE 30/10/2019
Reason for notification First occurrence of a listed disease in the country
Causal agent African swine fever virus (genotype II)
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to the whole country
Related reports Immediate notification (09/09/2019)
Follow-up report No. 1 (30/10/2019)
Follow-up report No. 2 (04/11/2019)
Follow-up report No. 3 (27/01/2020)
Follow-up report No. 4 (28/01/2020)
Follow-up report No. 5 (29/01/2020)
Follow-up report No. 6 (30/01/2020)
Follow-up report No. 7 (12/02/2020)
Follow-up report No. 8 (26/03/2020)
Follow-up report No. 9 (11/05/2020)
Follow-up report No. 10 (26/06/2020)
Follow-up report No. 11 (21/09/2020)
Follow-up report No. 12 (24/09/2020)
New outbreaks (9)
Outbreak 1 Bagong Silangan, Bagong Silangan, Quezon City, Manila, Second District
Date of start of the outbreak 15/09/2019
Outbreak status Resolved (30/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1256 0
Affected population One hundred and eighty-seven individual backyard holdings were affected.
Outbreak 2 Payatas, Payatas, Quezon City, Manila, Second District
Date of start of the outbreak 18/09/2019
Outbreak status Resolved (30/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 3083 0
Affected population Two hundreds and forty-seven individual backyard holdings were affected.
Outbreak 3 Baloling, Baloling, Mapandan, Pangasinan
Date of start of the outbreak 25/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 163 0 163 0
Affected population Twenty-four individual backyard holdings were affected.
Outbreak 4 Tatalon, Tatalon, Quezon City, Manila, Second District
Date of start of the outbreak 28/09/2019
Outbreak status Resolved (30/10/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 84 0
Affected population Eight individual backyard holdings were affected.
Outbreak 5 Pasong Tamo, Pasong Tamo, Quezon City, Manila, Second District
Date of start of the outbreak 29/09/2019
Outbreak status Resolved (30/10/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 303 0
Affected population Thirty-three individual backyard holdings were affected.
Outbreak 6 Apalen, Apalen, Bayambang, Pangasinan
Date of start of the outbreak 30/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 108 87 59 49 0
Affected population Two individual backyard holdings were affected.
Outbreak 7 Roxas, Roxas, Quezon City, Manila, Second District
Date of start of the outbreak 02/10/2019
Outbreak status Resolved (30/10/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 17 0
Affected population One individual backyard holding was affected.
Outbreak 8 Tandang Sora, Tandang Sora, Quezon City, Manila, Second District
Date of start of the outbreak 06/10/2019
Outbreak status Resolved (30/10/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 22 0
Affected population Individual backyard holdings were affected.
Outbreak 9 Commonwealth, Commonwealth, Quezon City, Manila, Second District
Date of start of the outbreak 18/10/2019
Outbreak status Resolved (30/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 154 0
Affected population Six individual backyard holdings were affected.
Summary of outbreaks Total outbreaks: 9
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 271 87 ** 59 5131 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine ** ** ** **
*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
  • Unknown or inconclusive
  • Illegal movement of animals
  • Swill feeding
  • Fomites (humans, vehicles, feed, etc.)
Epidemiological comments Suspected swill feeding, then spread through illegal movement of already sick pigs that were being sold at a lower price.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • Ante and post-mortem inspections
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Traceability
Diagnostic test results
Laboratory name and type Species Test Test date Result
The Pirbright Institute (OIE Reference Laboratory) Swine virus isolation 11/09/2019 Positive
The Pirbright Institute (OIE Reference Laboratory) Swine virus sequencing 11/09/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations