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Pakistan - 2 new outbreaks of highly pathogenic avian influenza H5N8 in birds, Islamabad Capital Territory (OIE, February 26, 2019)
Pakistan - 2 new outbreaks of highly pathogenic avian influenza H5N8 in birds, Islamabad Capital Territory (OIE, February 26, 2019)
Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Pakistan
Information received on 26/02/2019 from Dr Khurshid Ahmad, Animal Husbandry Commissioner, Government of Pakistan, Ministry of National Food Security and Research, Islamabad, Pakistan
Summary
Report type
Immediate notification
Date of start of the event
02/01/2019
Date of confirmation of the event
15/02/2019
Report date
26/02/2019
Date submitted to OIE
26/02/2019
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
02/02/2018
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Clinical, Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (2)
Outbreak 1
F 11/3, Islamabad Capital Territory
Date of start of the outbreak
02/01/2019
Outbreak status
Resolved (22/02/2019)
Epidemiological unit
Other
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mallard:Anas platyrhynchos(Anatidae)
10
7
7
3
0
Common Guineafowl:Numida meleagris(Numididae)
8
6
6
2
0
Coscoroba Swan:Coscoroba coscoroba(Anatidae)
50
50
50
0
0
Affected population
Adult Guinea fowl, swan and duck were submitted for laboratory analysis.
Outbreak 2
Diplomatic Enclave, Islamabad Capital Territory
Date of start of the outbreak
07/02/2019
Outbreak status
Resolved (15/02/2019)
Epidemiological unit
Other
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
House Crow:Corvus splendens(Corvidae)
1
1
0
0
Affected population
An adult dead crow was submitted for analysis to the National Reference Laboratory for Poultry Diseases.
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mallard:Anas platyrhynchos(Anatidae)
10
7
7
3
0
Common Guineafowl:Numida meleagris(Numididae)
8
6
6
2
0
Coscoroba Swan:Coscoroba coscoroba(Anatidae)
50
50
50
0
0
House Crow:Corvus splendens(Corvidae)
1
1
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Mallard:Anas platyrhynchos(Anatidae)
70.00%
70.00%
100.00%
100.00%
Common Guineafowl:Numida meleagris(Numididae)
75.00%
75.00%
100.00%
100.00%
Coscoroba Swan:Coscoroba coscoroba(Anatidae)
100.00%
100.00%
100.00%
100.00%
House Crow:Corvus splendens(Corvidae)
**
**
100.00%
**
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive
Epidemiological comments
Clinical symptoms swan, duck and Guinea fowl included diarrhea, respiratory signs and sudden death. The dead swan, duck and Guinea fowl were submitted to the National Reference Laboratory for Poultry Diseases (NRLPD) and tested positive for influenza A H5N8 virus. A dead crow was sent by an official from the British High Commission to the NRLPD for analysis and tested positive for influenza A H5N8 virus.
Control measures
Measures applied
Movement control inside the country
Screening
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Control of wildlife reservoirs
Selective killing and disposal
Disinfection
Vaccination permitted (if a vaccine exists)
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Common Guineafowl
virus neutralisation test (VNT)
22/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Coscoroba Swan
enzyme-linked immunosorbent assay (ELISA)
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Common Guineafowl
enzyme immunoassay (EIA) membrane test
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Common Guineafowl
real-time PCR
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Common Guineafowl
virus isolation
22/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Coscoroba Swan
real-time PCR
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Coscoroba Swan
virus isolation
22/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Coscoroba Swan
virus neutralisation test (VNT)
22/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
House Crow
enzyme-linked immunosorbent assay (ELISA)
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
House Crow
real-time PCR
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
House Crow
virus isolation
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
House Crow
virus neutralisation test (VNT)
26/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Mallard
enzyme-linked immunosorbent assay (ELISA)
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Mallard
real-time PCR
15/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Mallard
virus isolation
22/02/2019
Positive
National Reference Laboratory for Poultry Diseases (NRLPD) (Regional Reference Laboratory)
Mallard
virus neutralisation test (VNT)
22/02/2019
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
