African swine fever,
Information received on 16/08/2019 from Dr Vilayphone Vorraphim, Director General, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Laos
Report type Immediate notification
Date of start of the event 04/07/2019
Date of confirmation of the event 05/07/2019
Report date 16/08/2019
Date submitted to OIE 16/08/2019
Date event resolved 04/12/2019
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 (1)
Outbreak 1 (ASF-2019-21) Phonsavane Taai village market, Phonesavane, Xiengkhong
Date of start of the outbreak 04/07/2019
Outbreak status Resolved (13/11/2019)
Epidemiological unit Livestock market
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 54 1 1 53 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 54 1 1 53 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 1.85% 1.85% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Introduction of new live animals
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 05/07/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations