OIE: Low pathogenic avian influenza (poultry) ,South Africa

Information received on 04/10/2012 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
01/06/2012
Date of pre-confirmation of the event
29/06/2012
Report date
04/10/2012
Date submitted to OIE
04/10/2012
Reason for notification
Reoccurrence of a listed disease
Date of previous occurrence
11/05/2012
Manifestation of disease
Clinical disease
Causal agent
Low pathogenic avian influenza virus
Serotype
H5N2
Nature of diagnosis
Laboratory (advanced)
This event pertains to
the whole country

New outbreaks

Summary of outbreaks
Total outbreaks: 2
Outbreak Location
  • WESTERN CAPE PROVINCE ( LPAI_2012_H5N2_001, Stellenbosch LPAI_2012_H5N2_002, Hessequa )
Total animals affected
Species
Susceptible
Cases
Deaths
Destroyed
Slaughtered
Birds
1952
357
1
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
18.29%
0.05%
0.28%
0.05%

* Removed from the susceptible population through death, destruction and/or slaughter;

Epidemiology

Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments
One ostrich died. LPAI H5N2 isolated. No further clinical signs.

Note by the OIE Animal Health Information Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2012).

Control measures

Measures applied
  • Quarantine
  • Movement control inside the country
  • Screening
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results

Laboratory name and type
Agricultural Research Council - Onderstepoort Veterinary Institute (ARC – OVI) ( National laboratory )
Tests and results
Species
Test
Test date
Result
Birds
gene sequencing
29/06/2012
Positive

Future Reporting

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