African swine fever,
Laos
Information received on 28/08/2019 from Dr Vilayphone Vorraphim, Director General, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Laos
Summary
Report type Follow-up report No. 1
Date of start of the event 07/07/2019
Date of confirmation of the event 08/07/2019
Report date 28/08/2019
Date submitted to OIE 28/08/2019
Date event resolved 26/12/2019
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 (16/08/2019)
Follow-up report No. 1 (28/08/2019)
Follow-up report No. 2 (08/10/2019)
Follow-up report No. 3 (10/08/2020)
New outbreaks (11)
Outbreak 1 (ASF-2019-96) Mouang, Sopbao, Huaphanh
Date of start of the outbreak 10/07/2019
Outbreak status Resolved (08/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 256 33 33 223 0
Outbreak 2 (ASF-2019-97) Borphatay, Viengxay, Huaphanh
Date of start of the outbreak 12/07/2019
Outbreak status Resolved (15/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 200 70 70 130 0
Outbreak 3 (ASF-2019-94) Naphonsouk, Sopbao, Huaphanh
Date of start of the outbreak 13/07/2019
Outbreak status Resolved (20/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 173 70 70 103 0
Outbreak 4 (ASF-2019-98) Longhoy, Et, Huaphanh
Date of start of the outbreak 13/07/2019
Outbreak status Resolved (20/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 328 167 167 161 0
Outbreak 5 (ASF-2019-95) Phoung, Sopbao, Huaphanh
Date of start of the outbreak 15/07/2019
Outbreak status Resolved (20/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 413 100 100 313 0
Outbreak 6 (ASF-2019-104) Na ngorm, Sum tai, Huaphanh
Date of start of the outbreak 19/07/2019
Outbreak status Resolved (15/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 150 55 55 95 0
Outbreak 7 (ASF-2019-103) Phoungsieng, Sum tai, Huaphanh
Date of start of the outbreak 21/07/2019
Outbreak status Resolved (20/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 192 169 169 23 0
Outbreak 8 (ASF-2019-100) Sumphunthong, Viengthong, Huaphanh
Date of start of the outbreak 04/08/2019
Outbreak status Resolved (20/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 328 211 211 117 0
Outbreak 9 (ASF-2019-99) Huoiyong, Et, Huaphanh
Date of start of the outbreak 05/08/2019
Outbreak status Resolved (07/12/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 280 11 11 269 0
Outbreak 10 (ASF-2019-102) Tao, Sum tai, Huaphanh
Date of start of the outbreak 07/08/2019
Outbreak status Resolved (08/12/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 5 3 3 2 0
Outbreak 11 (ASF-2019-101) Sobmone, Xiengkhor, Huaphanh
Date of start of the outbreak 11/08/2019
Outbreak status Resolved (09/12/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 13 2 2 11 0
Summary of outbreaks Total outbreaks: 11
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 2338 891 891 1447 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 38.11% 38.11% 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
  • Stamping out
  • Disinfection
  • 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 07/07/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 10/07/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 15/07/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 28/07/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 02/08/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 06/08/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 12/08/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations