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

Information received on 19/06/2012 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
Start date 24/02/2012
Date of first confirmation of the event 01/06/2012
Report date 19/06/2012
Date submitted to OIE 19/06/2012
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 13/01/2012
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H7N1
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country

New outbreaks

Summary of outbreaks Total outbreaks: 2
Location(s)
  • EASTERN CAPE PROVINCE (LPAI_2012_001, Camdeboo)
  • WESTERN CAPE PROVINCE (LPAI_2012_002, Hessequa)
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1833 44 0 0 1493
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 2.40% 0.00% 0.00% 81.45%

* 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 LPAI infection picked up due to routine surveillance for HPAI.

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 (2011).

Control measures

Measures applied
  • Quarantine
  • Movement control inside the country
  • Screening
  • Disinfection of infected premises/establishment(s)
  • Modified stamping out
  • 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 virus sequencing 01/06/2012 Positive

Future Reporting

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