Porcine reproductive and respiratory syndrome,
Laos
Information received on 08/02/2019 from Dr Somphanh Chanphengxay, 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 28/01/2019
Date of confirmation of the event 04/02/2019
Report date 08/02/2019
Date submitted to OIE 08/02/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 10/2010
Manifestation of disease Clinical disease
Causal agent Porcine reproductive and respiratory syndrome virus
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (08/02/2019)
Follow-up report No. 1 (16/02/2019)
Follow-up report No. 2 (05/03/2019)
New outbreaks (2)
Outbreak 1 (Luangprabang) Sing, Luangprabang, Luangprabang
Date of start of the outbreak 28/01/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 580 112 78 34 0
Outbreak 2 (Phongsaly) Phonekeo, Phongsaly, Phongsaly
Date of start of the outbreak 01/02/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 50 18 18 0 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 630 130 96 34 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 20.63% 15.24% 73.85% 20.63%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Introduction of new live animals
Epidemiological comments Farmers use available antibiotics in the area for secondary treatment.
Control measures
Measures applied
  • Movement control inside the country
  • 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 04/02/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations