Information received on 15 Apr 2009 from Dr Albertina Shilongo, Chief
Veterinary Officer, Directorate of Veterinary Services, Ministry of
Agriculture, Water and Forestry, Windhoek, Namibia

Summary: Report Type: Immediate notification
Report type: Immediate notification
Start date: 19 Mar 2009
Date of 1st confirmation of the event: 01 Apr 2009

Report date: 15 Apr 2009
Date submitted to OIE: 15 Apr 2009
Reason for notification: Reoccurrence of a listed disease
Date of previous occurrence: 12 Nov 2008
Manifestation of disease: Clinical disease
Causal agent: African swine fever virus
Nature of diagnosis: Clinical, Laboratory (advanced)
This event pertains to the whole country.

Outbreak 1 (ASF) 3 - Simons Vlei Farm, Onesi, Omusati, OMUSATI
Start of outbreak: 19 Mar 2009
Outbreak status: Continuing (or date resolved not provided)

Epidemiological unit: Village

Affected Animals: Pigs
14 Susceptible
7 Cases
4 Deaths
0 Destroyed
0 Slaughtered.

Summary of outbreaks Total outbreaks: 1
Species Swine
Apparent morbidity rate 50.0 percent
Apparent mortality rate 28.57 percent
Apparent case fatality rate 57.14 percent
Proportion susceptible animals lost* 28.57 percent
*Removed from the susceptible population through death, destruction
and/or slaughter

Epidemiology
Source of the outbreak(s) or origin of infection: Contact with wild
species/Endemic

Epidemiological comments
Part of the country is considered endemic for ASF. Pigs must be
raised in bio-secure pens in order to avoid contacts with wild
warthogs.

Laboratory name and type : Onderstepoort Veterinary Institute (OIE's
Reference Laboratory)
Species: Swine
Test: polymerase chain reaction (PCR)
Test date: 01 Apr 2009
Result Positive

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

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