Classical swine fever,
Brazil
Information received on 20/12/2018 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. 4
Date of start of the event 05/08/2018
Date of confirmation of the event 06/10/2018
Report date 20/12/2018
Date submitted to OIE 20/12/2018
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 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 (12)
Outbreak 1 (23031050034) Cariré, Ceara
Date of start of the outbreak 15/09/2018
Outbreak status Resolved (23/11/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 26 24 15 11 0
Outbreak 2 (23058030002) Ipu, Ceara
Date of start of the outbreak 03/10/2018
Outbreak status Resolved (15/11/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 216 50 20 196 0
Outbreak 3 (23088070006) Moraújo, Ceara
Date of start of the outbreak 20/10/2018
Outbreak status Resolved (05/02/2019)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 163 28 26 137 0
Outbreak 4 (23052090004) Hidrolândia, Ceara
Date of start of the outbreak 23/10/2018
Outbreak status Resolved (17/11/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 80 25 24 56 0
Outbreak 5 (23117020005) Reriutaba, Ceara
Date of start of the outbreak 24/10/2018
Outbreak status Resolved (17/12/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 128 12 6 122 0
Outbreak 6 (23117020004) Reriutaba, Ceara
Date of start of the outbreak 25/10/2018
Outbreak status Resolved (23/01/2019)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 10 7 7 3 0
Outbreak 7 (23079080001) Martinópole, Ceara
Date of start of the outbreak 25/10/2018
Outbreak status Resolved (27/11/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 20 12 12 8 0
Outbreak 8 (23117020003) Reriutaba, Ceara
Date of start of the outbreak 28/10/2018
Outbreak status Resolved (23/01/2019)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 176 25 16 160 0
Outbreak 9 (23045090001) Freicheirinha, Ceara
Date of start of the outbreak 31/10/2018
Outbreak status Resolved (01/12/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 193 56 36 157 0
Outbreak 10 (23088070008) Moraújo, Ceara
Date of start of the outbreak 07/11/2018
Outbreak status Resolved (03/12/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 39 5 4 35 0
Outbreak 11 (23049050024) Groaíras, Ceara
Date of start of the outbreak 10/11/2018
Outbreak status Resolved (28/11/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 6 2 2 4 0
Outbreak 12 (23134010014) Tianguá, Ceara
Date of start of the outbreak 19/11/2018
Outbreak status Resolved (04/12/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 43 3 1 42 0
Summary of outbreaks Total outbreaks: 12
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1100 249 169 931 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 22.64% 15.36% 67.87% 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 about suspicions continue in the region and all animals in confirmed outbreaks will be culled. A review of the strategy for surveillance and control of classical swine fever in the region, which is not recognised as a free zone, is under discussion.
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) 14/11/2018 Positive
Agriculture and Livestock National Laboratory, Minas Gerais (LANAGRO/MG) (National laboratory) Swine real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 22/11/2018 Positive
Agriculture and Livestock National Laboratory, Minas Gerais (LANAGRO/MG) (National laboratory) Swine real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/11/2018 Positive
Agriculture and Livestock National Laboratory, Minas Gerais (LANAGRO/MG) (National laboratory) Swine real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 29/11/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations