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NOTIFIABLE AVIAN INFLUENZA EXPERIENCES IN SOUTH AFRICA AND NAI PREPAREDNESS MEASURES MARCH 2006

This article explores the experiences of South Africa with avian influenza, including past outbreaks and control measures implemented. It also discusses the preparedness measures in place to prevent the introduction and spread of the virus.

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NOTIFIABLE AVIAN INFLUENZA EXPERIENCES IN SOUTH AFRICA AND NAI PREPAREDNESS MEASURES MARCH 2006

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  1. NOTIFIABLE AVIAN INFLUENZA EXPERIENCES IN SOUTH AFRICA AND NAI PREPAREDNESS MEASURESMARCH 2006

  2. NAI EXPERIENCES IN SOUTH AFRICA • OUTBREAK OSTRICHES IN 2004 • H5N2 SUBTYPE • EASTERN CAPE PROVINCE

  3. NAI EXPERIENCES IN SOUTH AFRICA

  4. NAI EXPERIENCES IN SOUTH AFRICA CONTROL MEASURES CULLING POLICY ADDITIONAL MEASURES 30km control zone Movement control measures Countrywide export ban Countrywide surveillance Forward and backward tracing

  5. EASTERN CAPE PROVINCEAVIAN INFLUENZA • Serology • Test for >10% prevalence at 95% confidence • HI for ostrich serum • ELISA screening for chicken serum with HI confirmation

  6. EASTERN CAPE PROVINCEAVIAN INFLUENZA • Virus isolation • Embryonated eggs • PCR & NASBA

  7. EASTERN CAPE PROVINCEAVIAN INFLUENZA • Eradication Campaign • All ostriches on seropositive farms • All poultry in 3km radius around seropositive farms • Disinfection and minimum 30 day standstill of infected farms • Controlled restocking programme • Serological retesting of all ostrich farms in Province: All negative on two occasions.

  8. NAI EXPERIENCES IN SOUTH AFRICA • WESTERN CAPE PROVINCE • SURVEILLANCE YIELDED POSITIVES ON SEROLOGY • NO SICK OSTRICHES • CONTROLLED SLAUGHTER • CHICKENS • NEGATIVE ENTIRE COUNTRY

  9. NAI EXPERIENCES IN SOUTH AFRICA • EXTENSIVE SURVEILLANCE IN 2005 • COMMERCIAL OSTRICH FARMS • COMMERICAL CHICKEN FARMS • NON-COMMERCIAL CHICKEN FARMS • DECLARATION NAI FREEDOM: • 15 SEPTEMBER 2005 • NAI FREE STATUS ACCEPTED BY: • EU • OIE

  10. NAI PREPAREDNESS IN SOUTH AFRICA • NAI PREPAREDNESS IN SOUTH AFRICA

  11. NAI PREPAREDNES MEASURES IN SOUTH AFRICA • PREVENT INTRODUCTION OF NAI VIRUS • IMPORT CONTROL MEASURES • LIVE POULTRY • NAI FREE COUNTRIES PAST 6 MONTHS • PRE-IMPORT TESTING, QUARANTINE, RETESTED • POULTRY PRODUCTS - MEAT: NAI FREE COUNTRIES PAST 6 MONTHS • OTHER PRODUCTS: TREATMENT TO INACTIVATE VIRUS

  12. NAI PREPAREDNESS MEASURES IN SOUTH AFRICA • PREVENT INTRODUCTION OF NAI VIRUS • IMPORT CONTROL MEASURES (cont) • BIRDS • OTHER SPECIES: - PIGS, CATS

  13. NAI PREPAREDNESS MEASURES IN SOUTH AFRICA • PROOF OF CONTINUED FREEDOM • EXTENSIVE SURVEILLANCE PROGRAMME • COMMERCIAL OSTRICHES • COMMERCIAL CHICKENS • NON-COMMERCIAL CHICKENS • SURVEILLANCE IN MIGRATORY BIRDS

  14. NAI PREPAREDNESS MEASURES IN SOUTH AFRICA • IN CASE OF INTRODUCTION OF NAI VIRUS • CONTINGENCY PLAN • SUSPECTED/CONFIRMED OUTBREAK • QUARANTINE • MOVEMENT CONTROL • DEPOPULATION • VACCINATION

  15. NAI PREPAREDNESS MEASURES IN SOUTH AFRICA • ACTIVATION OF DISASTER MANAGEMENT SYSTEM

  16. NAI PREPAREDNESS MEASURES IN SOUTH AFRICA • MINISTER OF AGRICULTURE - ACTIVATION OF OTHER ROLE PLAYERS AT MINISTERIAL LEVEL • MINISTER OF DEFENCE • MINISTER SAFETY AND SECURITY • DPLG: • NATIONAL DISASTER MANAGEMENT • CASCADE: • NATIONAL CO-ORDINATION • PROVINCIAL CO-ORDINATION • LOCAL • EXECUTION CONTROL ACTIVITIES

  17. NAI PREPAREDNESS MEASURES IN SOUTH AFRICA • CONCLUSION

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