Laos - Outbreaks of African swine fever 2019

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African swine fever, Laos

Information received on 11/07/2019 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 23/06/2019 Date of confirmation of the event 03/07/2019 Report date 11/07/2019 Date submitted to OIE 11/07/2019 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

New outbreaks (1)

Outbreak 1 (ASF-2019-18) Nasiew, Nasaithong, Vientiane Capital Date of start of the outbreak 23/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 110 96 96 14 0

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 110 96 96 14 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Swine 87.27% 87.27% 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 03/07/2019 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=31056

[Pathfinder]

African swine fever, Laos

Information received on 20/06/2019 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 02/06/2019 Date of confirmation of the event 17/06/2019 Report date 20/06/2019 Date submitted to OIE 20/06/2019 Reason for notification First occurrence of a listed disease in the country Causal agent African swine fever virus Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (7)

Outbreak 1 (ASF-2019-01) Samakkhixay, Toumlan, Saravane Date of start of the outbreak 02/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 394 194 194 0 0

Outbreak 2 (ASF-2019-02) Dinedak, Toumlan, Saravane Date of start of the outbreak 04/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 398 194 194 0 0

Outbreak 3 (ASF-2019-3) Phonengam, Toumlan, Saravane Date of start of the outbreak 04/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 95 36 36 0 0

Outbreak 4 (ASF-2019-4) Kaenghang, Toumlan, Saravane Date of start of the outbreak 05/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 82 34 34 0 0

Outbreak 5 (ASF-2019-5) Nalachang, Toumlan, Saravane Date of start of the outbreak 07/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 111 81 81 0 0

Outbreak 6 (ASF-2019-6) Houava, Toumlan, Saravane Date of start of the outbreak 07/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 323 59 59 0 0

Outbreak 7 (ASF-2019-7) Nahong Gnai, Toumlan, Saravane Date of start of the outbreak 08/06/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Village Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 788 375 375 0 0

Summary of outbreaks Total outbreaks: 7 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Swine 2191 973 973 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Swine 44.41% 44.41% 100.00% 44.41% *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 Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals Measures to be applied Surveillance outside containment and/or protection zone Surveillance within containment and/or protection zone Stamping out

Diagnostic test results Laboratory name and type Species Test Test date Result National Animal Health Laboratory (NAHL) (National laboratory) Swine real-time PCR 17/06/2019 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=30807