African swine fever,
Laos
Information received on 08/10/2019 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 08/07/2019
Date of confirmation of the event 13/07/2019
Report date 07/10/2019
Date submitted to OIE 08/10/2019
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 (36)
Outbreak 1 (ASF-2019-109) Numphang, 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 25 4 4 21 0
Outbreak 2 (ASF-2019-111) Phouthum, 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 60 45 45 15 0
Outbreak 3 (ASF-2019-125) Houakhoua, Sing, Luangnamtha
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 146 146 146 0 0
Outbreak 4 (ASF-2019-108) Mouthuentai, Namor, Oudomxay
Date of start of the outbreak 13/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 280 20 20 260 0
Outbreak 5 (ASF-2019-113) Namor nuea, Namor, Oudomxay
Date of start of the outbreak 14/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 125 25 25 100 0
Outbreak 6 (ASF-2019-115) Kud, Xay, Oudomxay
Date of start of the outbreak 15/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 135 6 6 129 0
Outbreak 7 (ASF-2019-120) Nangiew, Beng, Oudomxay
Date of start of the outbreak 16/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 158 25 25 133 0
Outbreak 8 (ASF-2019-126) Houai long kaow, Sing, Luangnamtha
Date of start of the outbreak 17/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 259 199 199 60 0
Outbreak 9 (ASF-2019-116) Numbak, Xay, Oudomxay
Date of start of the outbreak 18/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 213 12 12 201 0
Outbreak 10 (ASF-2019-112) Pangdou, Namor, Oudomxay
Date of start of the outbreak 18/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 55 6 6 49 0
Outbreak 11 (ASF-2019-124) Xiengmoun, Sing, Luangnamtha
Date of start of the outbreak 19/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 97 77 77 20 0
Outbreak 12 (ASF-2019-123) Chorm, Sing, Luangnamtha
Date of start of the outbreak 24/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 177 130 130 47 0
Outbreak 13 (ASF-2019-127) Par toi, Sing, Luangnamtha
Date of start of the outbreak 27/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 173 73 73 100 0
Outbreak 14 (ASF-2019-122) Kum, Beng, Oudomxay
Date of start of the outbreak 28/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 453 283 283 170 0
Outbreak 15 (ASF-2019-128) Nongkham, Houixai, Bokeo
Date of start of the outbreak 30/08/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 311 210 210 101 0
Outbreak 16 (ASF-2019-121) Bangkham, Beng, Oudomxay
Date of start of the outbreak 01/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 312 29 29 283 0
Outbreak 17 (ASF-2019-105) Barkar noi, Phongsaly, Phongsaly
Date of start of the outbreak 01/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 719 147 147 572 0
Outbreak 18 (ASF-2019-117) Kornoy, Xay, Oudomxay
Date of start of the outbreak 02/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 120 85 85 35 0
Outbreak 19 (ASF-2019-129) Thongsengchan, Houixai, Bokeo
Date of start of the outbreak 04/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 215 15 15 200 0
Outbreak 20 (ASF-2019-140) Houanamka, Tonepheung, Bokeo
Date of start of the outbreak 04/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 189 39 39 150 0
Outbreak 21 (ASF-2019-118) Bou, Xay, Oudomxay
Date of start of the outbreak 04/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 300 20 20 280 0
Outbreak 22 (ASF-2019-135) Saychalurn, Houixai, Bokeo
Date of start of the outbreak 06/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 144 68 68 76 0
Outbreak 23 (ASF-2019-136) Namngaen, Tonepheung, Huaphanh
Date of start of the outbreak 10/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 412 79 79 333 0
Outbreak 24 (ASF-2019-133) Pakhaotai, Houixai, Bokeo
Date of start of the outbreak 10/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 314 21 21 293 0
Outbreak 25 (ASF-2019-134) Houaisaytai, Houixai, Bokeo
Date of start of the outbreak 10/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 965 213 213 752 0
Outbreak 26 (ASF-2019-107) Houailern, Nga, Oudomxay
Date of start of the outbreak 10/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 134 6 6 128 0
Outbreak 27 (ASF-2019-108) Nahoum, Namor, Oudomxay
Date of start of the outbreak 10/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 250 68 68 182 0
Outbreak 28 (ASF-2019-130) Maiphokha, Houixai, Bokeo
Date of start of the outbreak 11/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 214 39 39 175 0
Outbreak 29 (ASF-2019-137) Namkerngkhao, Tonepheung, Bokeo
Date of start of the outbreak 12/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 214 30 30 184 0
Outbreak 30 (ASF-2019-132) Donesavanh, Houixai, Bokeo
Date of start of the outbreak 14/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 450 47 47 403 0
Outbreak 31 (ASF-2019-131) Houaituy, Houixai, Bokeo
Date of start of the outbreak 15/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 175 23 23 152 0
Outbreak 32 (ASF-2019-138) Muangkham, Tonepheung, Bokeo
Date of start of the outbreak 16/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 221 53 53 168 0
Outbreak 33 (ASF-2019-139) Simuangngamkang, Tonepheung, Bokeo
Date of start of the outbreak 17/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 315 20 20 295 0
Outbreak 34 (ASF-2019-112119) Phangam, Hoon, Oudomxay
Date of start of the outbreak 22/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 260 200 200 60 0
Outbreak 35 (ASF-2019-106) Nga Tai, Phongsaly, Phongsaly
Date of start of the outbreak 30/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 205 33 33 172 0
Outbreak 36 (ASF-2019-114) Phououad, Namor, Oudomxay
Date of start of the outbreak 02/10/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 360 15 15 345 0
Summary of outbreaks Total outbreaks: 36
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 9155 2511 2511 6644 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 27.43% 27.43% 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
  • Disinfection
  • Stamping out
  • Surveillance within containment and/or protection zone
  • Surveillance outside containment and/or protection zone
  • Movement control inside the country
  • 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 03/09/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 06/09/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 17/09/2019 Positive
National Animal Health Laboratory (National laboratory) Swine real-time PCR 27/09/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations