African swine fever,
Laos
Information received on 09/11/2020 from Dr Vilayphone Vorraphim, Director General, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Laos
Summary
Report type Immediate notification
Date of start of the event 09/08/2020
Date of confirmation of the event 14/09/2020
Report date 09/11/2020
Date submitted to OIE 09/11/2020
Reason for notification First occurrence of a listed disease
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (09/11/2020)
Follow-up report No. 1 (18/11/2020)
New outbreaks (10)
Outbreak 1 (ASF_2020_02) Sa mak khy xai, Xienghon, Xayabury
Date of start of the outbreak 09/08/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 275 54 54 221 0
Outbreak 2 (ASF_2020_01) Kaen, Xienghon, Xayabury
Date of start of the outbreak 09/08/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 275 54 54 221 0
Outbreak 3 (ASF_2020_03) Hua na, Xienghon, Xayabury
Date of start of the outbreak 25/08/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 20 7 7 13 0
Outbreak 4 (ASF_2020_04) Huay hark, Xienghon, Xayabury
Date of start of the outbreak 27/08/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 119 12 12 107 0
Outbreak 5 (ASF_2020_05) Nam khom, Xienghon, Xayabury
Date of start of the outbreak 29/08/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 95 12 12 83 0
Outbreak 6 (ASF_2020_06) Xang, Xienghon, Xayabury
Date of start of the outbreak 04/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 11 4 4 7 0
Outbreak 7 (ASF_2020_07) Kham, Xienghon, Xayabury
Date of start of the outbreak 12/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 18 8 8 10 0
Outbreak 8 (ASF_2020_08) Khing, Xienghon, Xayabury
Date of start of the outbreak 23/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 145 10 10 135 0
Outbreak 9 (ASF_2020_09) Dong, Xienghon, Xayabury
Date of start of the outbreak 23/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 138 13 13 125 0
Outbreak 10 (ASF_2020_10) Don poung, Xienghon, Xayabury
Date of start of the outbreak 29/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 74 9 9 65 0
Summary of outbreaks Total outbreaks: 10
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1170 183 183 987 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 15.64% 15.64% 100.00% 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
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
  • Disinfestation
  • Ante and post-mortem inspections
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Animal Health Laboratory (National laboratory) Swine real-time PCR 14/09/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations