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Notifiable Avian Influenza Virus LP & HP H5N2, H7N1, Outbreaks in Poultry, South Africa (OIE, April 15 2013)

Giuseppe

Giuseppe

Emeritus
[Source: OIE, full pages: (1) (LINK); (2) (LINK); (3) (LINK). Edited.]


Notifiable Avian Influenza Virus LP & HP H5N2, H7N1, Outbreaks in Poultry, South Africa




(1) Low pathogenic avian influenza (poultry) H5N2, South Africa


Information received on 15/04/2013 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
  • Summary
    • Report type Follow-up report No. 1
    • Date of start of the event 01/06/2012
    • Date of pre-confirmation of the event 29/06/2012
    • Report date 15/04/2013
    • Date submitted to OIE 15/04/2013
    • 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
    • Related reports
      • Immediate notification (04/10/2012)
      • Follow-up report No. 1 (15/04/2013)
  • New outbreaks (7)
    • Outbreak 1 (LPAI_2012_H5N2_003) LPAI_2012_H5N2_003, George, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 28/06/2012
      • Outbreak status Resolved (12/02/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 622 – 385 – 0 – 0 – 622
        • Affected population Commercial ostriches
    • Outbreak 2 (LPAI_2012_H5N2_008) LPAI_2012_H5N2_008, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 04/07/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 290 – 67 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 3 (LPAI_2012_H5N2_004) LPAI_2012_H5N2_004, Prince Albert, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 28/08/2012
      • Outbreak status Resolved (25/02/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 2384 – 360 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 4 (LPAI_2012_H5N2_009) LPAI_2012_H5N2_009, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 04/09/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 1108 – 52 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 5 (LPAI_2012_H5N2_007) LPAI_2012_H5N2_007, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 28/09/2012
      • Outbreak status Resolved (07/02/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 835 – 56 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 6 (LPAI_2012_H5N2_005) LPAI_2012_H5N2_005, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 02/10/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 868 – 87 – 0 – 0 – 757
        • Affected population Commercial ostriches
    • Outbreak 7 (LPAI_2012_H5N2_006) LPAI_2012_H5N2_006, Mossel Bay, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 17/10/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 1012 – 466 – 0 – 0 – 0
        • Affected population Commercial ostriches
  • Summary of outbreaks
    • Total outbreaks: 7
      • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 7119 – 1473 – 0 – 0 – 1379
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 20.69% - 0.00% - 0.00% - 19.37%
        • *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
    • 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
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.
-
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(2) Low pathogenic avian influenza (poultry) H7N1, South Africa


Information received on 15/04/2013 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
  • Summary
    • Report type Follow-up report No. 2
    • Date of start of the event 24/02/2012
    • Date of pre-confirmation of the event 01/06/2012
    • Report date 15/04/2013
    • Date submitted to OIE 15/04/2013
    • 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
    • Related reports
      • Immediate notification (19/06/2012)
      • Follow-up report No. 1 (04/10/2012)
      • Follow-up report No. 2 (15/04/2013)
  • New outbreaks (9)
    • Outbreak 1 (LPAI_2012_013) LPAI_2012_013, George, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 24/02/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 1402 – 26 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 2 (LPAI_2012_014) LPAI_2012_014, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 16/04/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 647 – 53 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 3 (LPAI_2012_011) LPAI_2012_011, Prince Albert, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 04/06/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 1015 – 347 – 0 – 0 – 985
        • Affected population Commercial ostriches
    • Outbreak 4 (LPAI_2012_008) LPAI_2012_008, Baviaans, EASTERN CAPE PROVINCE
      • Date of start of the outbreak 19/07/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 174 – 7 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 5 (LPAI_2012_012) LPAI_2012_012, Oudtshoorn, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 22/08/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 290 – 54 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 6 (LPAI_2012_010) LPAI_2012_010, Prince Albert, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 22/08/2012
      • Outbreak status Resolved (11/02/2013)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 1210 – 786 – 0 – 0 – 1210
        • Affected population Commercial ostriches
    • Outbreak 7 (LPAI_2012_009) LPAI_2012_009, Inxuba Yethemba, EASTERN CAPE PROVINCE
      • Date of start of the outbreak 30/11/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 30 – 26 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 8 (LPAI_2012_016) LPAI_2012_016, Oudtshoorn, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 28/02/2013
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 2815 – 395 – 0 – 0 – 0
        • Affected population Commercial ostriches
    • Outbreak 9 (LPAI_2012_015) LPAI_2012_015, Oudtshoorn, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 15/03/2013
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 3719 – 1674 – 0 – 0 – 0
        • Affected population Commercial ostriches
  • Summary of outbreaks
    • Total outbreaks: 9
      • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 11302 – 3368 – 0 – 0 – 2195
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 29.80% - 0.00% - 0.00% - 19.42%
        • *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 (2012).
  • 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
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.
-
------

(3) Highly pathogenic avian influenza, South Africa


Information received on 15/04/2013 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
  • Summary
    • Report type Follow-up report No. 14
    • Date of start of the event 01/02/2011
    • Date of pre-confirmation of the event 16/03/2011
    • Report date 15/04/2013
    • Date submitted to OIE 15/04/2013
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 07/2006
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N2
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to the whole country
    • Related reports
      • Immediate notification (11/04/2011)
      • Follow-up report No. 1 (06/05/2011)
      • Follow-up report No. 2 (16/05/2011)
      • Follow-up report No. 3 (10/06/2011)
      • Follow-up report No. 4 (04/07/2011)
      • Follow-up report No. 5 (05/08/2011)
      • Follow-up report No. 6 (26/08/2011)
      • Follow-up report No. 7 (22/09/2011)
      • Follow-up report No. 8 (14/11/2011)
      • Follow-up report No. 9 (05/12/2011)
      • Follow-up report No. 10 (23/02/2012)
      • Follow-up report No. 11 (09/05/2012)
      • Follow-up report No. 12 (28/06/2012)
      • Follow-up report No. 13 (04/10/2012)
      • Follow-up report No. 14 (15/04/2013)
  • New outbreaks (2)
    • Outbreak 1 (AI_WCP2011_55) AI_WCP2011_55, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 01/06/2012
      • Outbreak status Resolved (05/12/2012)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 387 – 142 – 0 – 0 – 387
        • Affected population Commercial Ostriches
    • Outbreak 2 (AI_WCP2011_53) AI_WCP2011_53, Hessequa, WESTERN CAPE PROVINCE
      • Date of start of the outbreak 03/07/2012
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds - 1229 – 286 – 0 – 0 – 0
        • Affected population Commercial ostriches
  • Summary of outbreaks
    • Total outbreaks: 2
      • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 1616 – 428 – 0 – 0 – 387
      • Outbreak statistics: : Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 26.49% - 0.00% - 0.00% - 23.95%
        • *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
    • Commercial ostrich farms.
    • Initially no clinical signs or mortalities were seen.
    • Stamping out of ostriches on positive farms is taking place.
  • Control measures
    • Measures applied
      • Stamping out
      • Quarantine
      • Screening
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • No other measures
  • Diagnostic test results
    • Laboratory name and type – Species – Test - Test date – Result
      • Deltamune (Private Laboratory) – Birds - polymerase chain reaction (PCR) - 28/06/2012 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.
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