African swine fever,
Laos
Information received on 16/08/2019 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 07/07/2019
Date of confirmation of the event 08/07/2019
Report date 16/08/2019
Date submitted to OIE 16/08/2019
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 (4)
Outbreak 1 (ASF-2019-22) Pakatay, Houameuang, Huaphanh
Date of start of the outbreak 07/07/2019
Outbreak status Resolved (07/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 400 101 101 299 0
Outbreak 2 (ASF-2019-24) Nachuk, Xon, 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 315 129 129 186 0
Outbreak 3 (ASF-2019-25) Mieung-Nga, Viengxay, Huaphanh
Date of start of the outbreak 12/07/2019
Outbreak status Resolved (08/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 10 2 2 8 0
Outbreak 4 (ASF-2019-23) Nanom, Xon, Huaphanh
Date of start of the outbreak 16/07/2019
Outbreak status Resolved (20/11/2019)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 400 101 101 299 0
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1125 333 333 792 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 29.60% 29.60% 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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations