Classical swine fever,
Brazil
Information received on 18/10/2018 from Dr Figueiredo Marques Guilherme Henrique , Director, Departamento de Saúde Animal , Ministério da Agricultura, Pecuaria e Abastecimento , Brasilia, Brazil
Summary
Report type Follow-up report No. 1
Date of start of the event 05/08/2018
Date of confirmation of the event 06/10/2018
Report date 18/10/2018
Date submitted to OIE 18/10/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 20/08/2009
Manifestation of disease Clinical disease
Causal agent Classical swine fever virus
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (07/10/2018)
Follow-up report No. 1 (18/10/2018)
Follow-up report No. 2 (06/11/2018)
Follow-up report No. 3 (30/11/2018)
Follow-up report No. 4 (20/12/2018)
Follow-up report No. 5 (29/04/2019)
Follow-up report No. 6 (24/05/2019)
Follow-up report No. 7 (07/06/2019)
Follow-up report No. 8 (28/06/2019)
Follow-up report No. 9 (05/07/2019)
Follow-up report No. 10 (14/08/2019)
New outbreaks (3)
Outbreak 1 (32043500005) Forquilha, Ceara
Date of start of the outbreak 05/08/2018
Outbreak status Resolved (11/10/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 44 25 21 23 0
Affected population High mortality in young piglets with fever and respiratory and neurological signs in a backyard with an epidemiological link with the first confirmed outbreak in the same municipality.
Outbreak 2 (23049050017) Groaíras, Ceara
Date of start of the outbreak 07/08/2018
Outbreak status Resolved (17/10/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 77 32 27 50 0
Outbreak 3 (23122050013) Santa Quitéria, Ceara
Date of start of the outbreak 09/10/2018
Outbreak status Resolved (16/10/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 14 4 2 12 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 135 61 50 85 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 45.19% 37.04% 81.97% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Investigations continue in the surveillance zone established and around the outbreaks. The state of Ceara is not part of the classical swine fever free zone.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Agriculture and Livestock National Laboratory, Minas Gerais (LANAGRO/MG) (National laboratory) Swine real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 11/10/2018 Positive
Agriculture and Livestock National Laboratory, Minas Gerais (LANAGRO/MG) (National laboratory) Swine real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 15/10/2018 Positive
Agriculture and Livestock National Laboratory, Pernambuco (LANAGRO/PE) (National laboratory) Swine pathogen isolation on cell culture 08/10/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations