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Koi herpesvirus disease,
South Africa
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Information received on 20/07/2020 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries,
Animal Production and Health, PRETORIA, South Africa
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Summary
| Report type |
Immediate notification |
| Date of start of the event |
10/11/2019 |
| Date of confirmation of the event |
28/11/2019 |
| Report date |
20/07/2020 |
| Date submitted to OIE |
20/07/2020 |
| Date event resolved |
30/11/2019 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
03/11/2019 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Koi herpes virus |
| Nature of diagnosis |
Laboratory (advanced) |
| This event pertains to |
a defined zone within the country |
| Related reports |
Immediate notification (20/07/2020)
Follow-up report No. 1 (20/10/2020)
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| Outbreak 1 (KHV_GAU2_2019_01) |
KHV_GAU2_2019_01, City of Tshwane, Gauteng |
| Date of start of the outbreak |
10/11/2019 |
| Outbreak status |
Resolved (30/11/2019) |
| Epidemiological unit |
Pond |
| Water type |
Fresh water |
| Population type |
Farmed |
| Production system |
Closed |
| Affected animals |
| Species |
Morbidity |
Mortality |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Koi (Cyprinus carpio) |
11.6 % |
10 % |
600 |
70 |
60 |
540 |
0 |
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| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Koi (Cyprinus carpio) |
600 |
70 |
60 |
540 |
0 |
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| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Koi (Cyprinus carpio) |
11.67% |
10.00% |
85.71% |
100.00% |
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| *Removed from the susceptible population through death, destruction and/or slaughter |
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Epidemiology
| Source of the outbreak(s) or origin of infection |
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Introduction of new live animals
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Control measures
| Measures applied |
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Quarantine
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Stamping out
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Disinfection
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Vaccination prohibited
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No treatment of affected animals
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| Measures to be applied |
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Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Molecular Diagnostic Services (Private Laboratory) |
Koi (Cyprinus carpio) |
polymerase chain reaction (PCR) |
28/11/2019 |
Positive |
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Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |
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Map of outbreak locations
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