[WAHID Interface] Highly pathogenic avian influenza, Nigeria
Information received on 24/07/2008 from Dr Junaidu A. Maina, Director, Federal Ministry of Agriculture and Rural Development, Federal Dept. of Livestock & Pest Control Services, ABUJA, Nigeria
? Summary
Report type Immediate notification (Final report)
Start date 19/07/2008
Date of first confirmation of the event 22/07/2008
Report date 24/07/2008
Date submitted to OIE 24/07/2008
Date event resolved 23/07/2008
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 09/01/2008
Causal agent Highly pathogenic avian influenza virus Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
? New outbreaks
* Outbreak 1 - Birnin Kebbi Central Market, Birnin Kebbi, Birnin Kebbi, KEBBI
Date of start of the outbreak 27/06/2008
Outbreak status Resolved (27/06/2008)
Epidemiological unit Not applicable
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1 - 1 - 0 - 0 - 0
Affected population: A local chicken sampled during routine surveillance at live bird market
* Outbreak 2 - Gombe Pantami market, Gombe, Gombe, GOMBE
Date of start of the outbreak 19/07/2008
Outbreak status Resolved (23/07/2008)
Epidemiological unit Not applicable
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1 - 1 - 0 - 0 - 0
Affected population: A single duck sampled during routine surveillance exercise at live bird market.
? Summary of outbreaks
Total outbreaks: 2
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 2 - 2 - 0 - 0 - 0
? Outbreak statistics
Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Birds - 100.00% - 0.00% - 0.00% - 0.00%
* 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
Detailed epidemiological investigation is being conducted, but available evidence so far suggest contact with wild birds may have led to the infection.
? Control measures
Measures applied Movement control inside the country
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 National Veterinary Research Institute, Vom (Regional Reference Laboratory)
Tests and results: Species - Test - Test date - Result
* Birds - haemagglutination inhibition test (HIT) - 23/07/2008 - Positive
* Birds - reverse transcription ? polymerase chain reaction (RT-PCR) - 23/07/2008 - Positive
* Birds - virus isolation - 23/07/2008 - Positive
? Future Reporting
The event is resolved.No more reports will be submitted.
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Information received on 24/07/2008 from Dr Junaidu A. Maina, Director, Federal Ministry of Agriculture and Rural Development, Federal Dept. of Livestock & Pest Control Services, ABUJA, Nigeria
? Summary
Report type Immediate notification (Final report)
Start date 19/07/2008
Date of first confirmation of the event 22/07/2008
Report date 24/07/2008
Date submitted to OIE 24/07/2008
Date event resolved 23/07/2008
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 09/01/2008
Causal agent Highly pathogenic avian influenza virus Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
? New outbreaks
* Outbreak 1 - Birnin Kebbi Central Market, Birnin Kebbi, Birnin Kebbi, KEBBI
Date of start of the outbreak 27/06/2008
Outbreak status Resolved (27/06/2008)
Epidemiological unit Not applicable
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1 - 1 - 0 - 0 - 0
Affected population: A local chicken sampled during routine surveillance at live bird market
* Outbreak 2 - Gombe Pantami market, Gombe, Gombe, GOMBE
Date of start of the outbreak 19/07/2008
Outbreak status Resolved (23/07/2008)
Epidemiological unit Not applicable
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1 - 1 - 0 - 0 - 0
Affected population: A single duck sampled during routine surveillance exercise at live bird market.
? Summary of outbreaks
Total outbreaks: 2
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 2 - 2 - 0 - 0 - 0
? Outbreak statistics
Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Birds - 100.00% - 0.00% - 0.00% - 0.00%
* 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
Detailed epidemiological investigation is being conducted, but available evidence so far suggest contact with wild birds may have led to the infection.
? Control measures
Measures applied Movement control inside the country
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 National Veterinary Research Institute, Vom (Regional Reference Laboratory)
Tests and results: Species - Test - Test date - Result
* Birds - haemagglutination inhibition test (HIT) - 23/07/2008 - Positive
* Birds - reverse transcription ? polymerase chain reaction (RT-PCR) - 23/07/2008 - Positive
* Birds - virus isolation - 23/07/2008 - Positive
? Future Reporting
The event is resolved.No more reports will be submitted.
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