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 08/07/2019
Date of confirmation of the event 13/07/2019
Report date 28/08/2019
Date submitted to OIE 28/08/2019
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 (16/08/2019)
Follow-up report No. 1 (28/08/2019)
Follow-up report No. 2 (07/10/2019)
New outbreaks (21)
Outbreak 1 (ASF-2019-72) Tay, Nhot ou, Phongsaly
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 226 105 105 121 0
Outbreak 2 (ASF-2019-89) Khouathi1, Luangprabang, Luangprabang
Date of start of the outbreak 10/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 6 5 5 1 0
Outbreak 3 (ASF-2019-73) Nounboonkang, Nhot ou, Phongsaly
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 320 177 177 143 0
Outbreak 4 (ASF-201987) Homesouk, Xay, Oudomxay
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 725 486 486 239 0
Outbreak 5 (ASF-2019-78) Houailern, Nga, Oudomxay
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 169 81 81 88 0
Outbreak 6 (ASF-2019-85) Donxay, Xay , Oudomxay
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 230 13 13 217 0
Outbreak 7 (ASF-2019-91) Namay, Sing, Luangnamtha
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 121 9 9 112 0
Outbreak 8 (ASF-2019-90) Chorm, Sing, Luangnamtha
Date of start of the outbreak 26/07/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Zoo
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 23 6 6 17 0
Outbreak 9 (ASF-2019-84) Houaithong, La, Oudomxay
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 152 88 88 64 0
Outbreak 10 (ASF-2019-81) Paknamthong, Namor, Oudomxay
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 181 27 27 154 0
Outbreak 11 (ASF-2019-74) Boun nuea, Boun nuea, Phongsaly
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 126 79 79 47 0
Outbreak 12 (ASF-2019-76) Noun sar vang, Boun Nuea, Phongsaly
Date of start of the outbreak 02/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 79 33 33 46 0
Outbreak 13 (ASF-2019-82) Houaisang, Namor, Oudomxay
Date of start of the outbreak 02/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 316 223 223 93 0
Outbreak 14 (ASF-2019-88) Phoulao, Houn, Oudomxay
Date of start of the outbreak 02/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 230 10 10 220 0
Outbreak 15 (ASF-2019-83) Thadmoun, La, Oudomxay
Date of start of the outbreak 02/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 125 32 32 93 0
Outbreak 16 (ASF-2019-75) Phoun say, Boun Nuea, Phongsaly
Date of start of the outbreak 04/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 101 49 49 52 0
Outbreak 17 (ASF-2019-79) Nakham, Namor, Oudomxay
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 130 22 22 108 0
Outbreak 18 (ASF-2019-77) Donan, Nga, Oudomxay
Date of start of the outbreak 06/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 226 27 27 199 0
Outbreak 19 (ASF-2019-86) Houysang, Xay, Oudomxay
Date of start of the outbreak 10/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 103 76 76 27 0
Outbreak 20 (ASF-2019-80) Houanamkham, Namor, Oudomxay
Date of start of the outbreak 10/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 128 28 28 100 0
Outbreak 21 (ASF-2019-71) Soui ngarm, Nhot ou, Phongsaly
Date of start of the outbreak 12/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 322 154 154 168 0
Summary of outbreaks Total outbreaks: 21
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 4039 1730 1730 2309 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 42.83% 42.83% 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 08/07/2019 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 26/07/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 01/08/2019 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