African swine fever,
Laos
Information received on 29/08/2019 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. 2
Date of start of the event 23/06/2019
Date of confirmation of the event 03/07/2019
Report date 28/08/2019
Date submitted to OIE 29/08/2019
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 (11/07/2019)
Follow-up report No. 1 (16/08/2019)
Follow-up report No. 2 (28/08/2019)
Follow-up report No. 3 (08/10/2019)
New outbreaks (25)
Outbreak 1 (ASF-2019-49) Korhay, Anouvong, Xaysomboun Special Region
Date of start of the outbreak 01/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 193 120 120 73 0
Outbreak 2 (ASF-2019-46) Sumket, Sikhottabong, Vientiane Capital
Date of start of the outbreak 05/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 86 48 48 38 0
Outbreak 3 (ASF-2019-62) Namkang, Viengthong, Borikhamx
Date of start of the outbreak 08/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 174 109 109 65 0
Outbreak 4 (ASF-2019-56) Phamueng, Borikhan, Borikhamx
Date of start of the outbreak 09/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 484 441 441 43 0
Outbreak 5 (ASF-2019-53) Pakhueng, Borikhan, Borikhamx
Date of start of the outbreak 09/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 209 75 75 134 0
Outbreak 6 (ASF-2019-54) Bor, Borikhan, Borikhamx
Date of start of the outbreak 10/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 366 268 268 98 0
Outbreak 7 (ASF-2019-55) Dong, Borikhan, Borikhamx
Date of start of the outbreak 12/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 203 170 170 33 0
Outbreak 8 (ASF-2019-63) Houihoy, Viengthong, Borikhamx
Date of start of the outbreak 12/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 110 98 98 12 0
Outbreak 9 (ASF-2019-69) Phonhkham, Keo oudom, Borikhamx
Date of start of the outbreak 13/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 400 56 56 344 0
Outbreak 10 (ASF-2019-57) Phonejeng, Borikhan, Borikhamx
Date of start of the outbreak 14/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 122 105 105 17 0
Outbreak 11 (ASF-2019-65) Phonhmueng, Viengthong, Borikhamx
Date of start of the outbreak 15/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 317 245 245 72 0
Outbreak 12 (ASF-2019-61) Kokkham, Viengthong, Borikhamx
Date of start of the outbreak 16/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 93 83 83 10 0
Outbreak 13 (ASF-2019-59) Houaykeo, Khamkerth, Borikhamx
Date of start of the outbreak 16/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 29 5 5 24 0
Outbreak 14 (ASF-2019-60) Nongsong, Khamkerth, Borikhamx
Date of start of the outbreak 19/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 403 6 6 397 0
Outbreak 15 (ASF-2019-64) Hinngonh, Viengthong, Borikhamx
Date of start of the outbreak 19/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 254 199 199 55 0
Outbreak 16 (ASF-2019-67) Naxuang, Viengthong, Borikhamx
Date of start of the outbreak 20/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 113 106 106 7 0
Outbreak 17 (ASF-2019-70) Chansavang, Phonehong, Vientiane
Date of start of the outbreak 22/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 180 25 25 155 0
Outbreak 18 (ASF-2019-50) Namlong, Thathom, Xaysomboun Special Region
Date of start of the outbreak 22/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 104 60 60 44 0
Outbreak 19 (ASF-2019-58) Phamueng, Khamkerth, Borikhamx
Date of start of the outbreak 25/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 834 405 405 429 0
Outbreak 20 (ASF-2019-68) Phonhdou, Viengthong, Borikhamx
Date of start of the outbreak 26/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 121 47 47 74 0
Outbreak 21 (ASF-2019-47) Phonekham, Nasaithong, Vientiane Capital
Date of start of the outbreak 27/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 99 33 33 66 0
Outbreak 22 (ASF-2019-51) Namphayai, Longcheng, Xaysomboun Special Region
Date of start of the outbreak 28/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 999 424 424 575 0
Outbreak 23 (ASF-2019-66) Thaphae, Viengthong, Borikhamx
Date of start of the outbreak 28/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 267 108 108 159 0
Outbreak 24 (ASF-2019-52) Longcheng, Longcheng, Xaysomboun Special Region
Date of start of the outbreak 01/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 227 31 31 196 0
Outbreak 25 (ASF-2019-48) Nongteng neua, Sikhottabong, Vientiane Capital
Date of start of the outbreak 05/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 7 1 1 6 0
Summary of outbreaks Total outbreaks: 25
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 6394 3268 3268 3126 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 51.11% 51.11% 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 (NAHL) (National laboratory) Swine real-time PCR 30/06/2019 Positive
National Animal Health Laboratory (NAHL) (National laboratory) Swine real-time PCR 09/07/2019 Positive
National Animal Health Laboratory (NAHL) (National laboratory) Swine real-time PCR 11/07/2019 Positive
National Animal Health Laboratory (NAHL) (National laboratory) Swine real-time PCR 15/07/2019 Positive
National Animal Health Laboratory (NAHL) (National laboratory) Swine real-time PCR 22/07/2019 Positive
National Animal Health Laboratory (NAHL) (National laboratory) Swine real-time PCR 09/08/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations