South Africa - Outbreaks of low pathogenic avian influenza H7 in commercial ostriches in farms, Western Cape Province

[Pathfinder]

Low pathogenic avian influenza (poultry), South Africa

Information received on 21/08/2020 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa

Summary Report type Immediate notification Date of start of the event 15/07/2020 Date of confirmation of the event 31/07/2020 Report date 21/08/2020 Date submitted to OIE 21/08/2020 Reason for notification Recurrence of a listed disease Date of previous occurrence 21/05/2019 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H7 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 (LPAI_H7_2020_WCP_001) LPAI_H7_2020_WCP_001, Mossel Bay, Western Cape Province Date of start of the outbreak 15/07/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 590 9 0 0 0 Affected population Commercial ostriches

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 590 9 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 1.53% 0.00% 0.00% 0.00% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Unknown or inconclusive Contact with wild species Epidemiological comments Coordinates modified to protect confidentiality as required by South African Legislation.

Control measures Measures applied Quarantine Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result ARC-OVI (National laboratory) Birds polymerase chain reaction (PCR) 31/07/2020 Positive

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

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https://www.oie.int/wahis_2/public/w...reportid=35410

[Pathfinder]

Low pathogenic avian influenza (poultry), South Africa

Information received on 02/09/2020 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa

Summary Report type Follow-up report No. 1 Date of start of the event 15/07/2020 Date of confirmation of the event 31/07/2020 Report date 02/09/2020 Date submitted to OIE 02/09/2020 Reason for notification Recurrence of a listed disease Date of previous occurrence 21/05/2019 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H7 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (21/08/2020) Follow-up report No. 1 (02/09/2020)

New outbreaks (2)

Outbreak 1 (LPAI_H7_2020_WCP_003) LPAI_H7_2020_WCP_003, Oudtshoorn, Western Cape Province Date of start of the outbreak 20/07/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 109 3 0 0 0 Affected population Commercial ostriches

Outbreak 2 (LPAI_H7_2020_WCP_002) LPAI_H7_2020_WCP_002, Mossel Bay, Western Cape Province Date of start of the outbreak 03/08/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 202 5 0 0 0 Affected population Commercial ostriches

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 311 8 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 2.57% 0.00% 0.00% 0.00% *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 Traceability Quarantine Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

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

...

https://www.oie.int/wahis_2/public/w...reportid=35536

[Pathfinder]

Low pathogenic avian influenza (poultry), South Africa

Information received on 30/09/2020 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa

Summary Report type Follow-up report No. 2 Date of start of the event 15/07/2020 Date of confirmation of the event 31/07/2020 Report date 28/09/2020 Date submitted to OIE 30/09/2020 Reason for notification Recurrence of a listed disease Date of previous occurrence 21/05/2019 Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus Serotype H7 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (21/08/2020) Follow-up report No. 1 (02/09/2020) Follow-up report No. 2 (28/09/2020)

New outbreaks (2)

Outbreak 1 (LPAI_H7_2020_WCP_005) LPAI_H7_2020_WCP_005, Kannaland, Western Cape Province Date of start of the outbreak 04/08/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1393 12 0 0 0 Affected population Commercial Ostriches

Outbreak 2 (LPAI_H7_2020_WCP_004) LPAI_H7_2020_WCP_004, Oudtshoorn, Western Cape Province Date of start of the outbreak 07/08/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1300 9 0 0 0 Affected population Commercial ostriches

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 2693 21 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 0.78% 0.00% 0.00% 0.00% *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 Traceability Quarantine Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

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

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https://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=35904