Giuseppe
Emeritus
West Nile Fever, Austria [OIE - WAHID Interface]
West Nile Fever, Austria
[PDF document: https://www.oie.int/wahid-prod/reports/en_imm_0000007424_20081015_155854.pdf ]
Information received on 13/10/2008 from Mr Ulrich Herzog, Magister, Radetzkystrasse 2, Bundesministerium f?r Gesundheit und Frauen, VIENNE, Austria
? Summary
Report type Immediate notification
Start date 16/09/2008
Date of first confirmation of the event 16/09/2008
Report date 13/10/2008
Date submitted to OIE 15/10/2008
Reason for notification First occurrence of a listed disease
Causal agent West Nile virus
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to the whole country
? New outbreaks
Summary of outbreaks: Total outbreaks: 2
* Outbreak Location and Affected population: NIEDEROSTERREICH (Near highway A2, Wien-Umgebung) :
One dead hawk (from a falkoner) and one hawk found sick near the highway A2 were sent to the AGES. Pathomorphological investigation showed encephalitis. Investigations on avian influenza and Newcastle disease were negative.
* WIEN (Wilheminenberg, Wien) : One Kea (Nestor notabilis) from Vienna was diagnosed positive to West Nile virus at the University of Veterinary Medicine in Vienna (VMU). Both strains of the hawks were also investigated again at the VMU ? with the result of lineage 2 West Nile virus.
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Wild species - 3 - 3 - 0 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Wild species - ** - ** - 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
Contact with wild species
? Epidemiological comments
- In the frame of the monitoring programme for avian influenza in wild birds, all wild birds ? especially birds of prey and crows ? are additionally investigated on WNV.
- Screening of vectors (Culex pipiens) in the affected region.
- Investigation of horses with clinical symptoms of central nervous system.
- Public health sector: Information of examination centers to consider WNV-infections in patients with similar clinical symptoms.
? Control measures
Measures applied Control of arthropods
Control of wildlife reservoirs
Screening
Vaccination prohibited
No treatment of affected animals
Measures to be applied No other measures
? Diagnostic test results
Laboratory name and type Austrian Agency for Health and Food Safety (AGES) (National laboratory)
Tests and results: Species - Test - Test date - Result
* Wild - species real-time PCR - 16/09/2008 - Positive
? Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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West Nile Fever, Austria
[PDF document: https://www.oie.int/wahid-prod/reports/en_imm_0000007424_20081015_155854.pdf ]
Information received on 13/10/2008 from Mr Ulrich Herzog, Magister, Radetzkystrasse 2, Bundesministerium f?r Gesundheit und Frauen, VIENNE, Austria
? Summary
Report type Immediate notification
Start date 16/09/2008
Date of first confirmation of the event 16/09/2008
Report date 13/10/2008
Date submitted to OIE 15/10/2008
Reason for notification First occurrence of a listed disease
Causal agent West Nile virus
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to the whole country
? New outbreaks
Summary of outbreaks: Total outbreaks: 2
* Outbreak Location and Affected population: NIEDEROSTERREICH (Near highway A2, Wien-Umgebung) :
One dead hawk (from a falkoner) and one hawk found sick near the highway A2 were sent to the AGES. Pathomorphological investigation showed encephalitis. Investigations on avian influenza and Newcastle disease were negative.
* WIEN (Wilheminenberg, Wien) : One Kea (Nestor notabilis) from Vienna was diagnosed positive to West Nile virus at the University of Veterinary Medicine in Vienna (VMU). Both strains of the hawks were also investigated again at the VMU ? with the result of lineage 2 West Nile virus.
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Wild species - 3 - 3 - 0 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Wild species - ** - ** - 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
Contact with wild species
? Epidemiological comments
- In the frame of the monitoring programme for avian influenza in wild birds, all wild birds ? especially birds of prey and crows ? are additionally investigated on WNV.
- Screening of vectors (Culex pipiens) in the affected region.
- Investigation of horses with clinical symptoms of central nervous system.
- Public health sector: Information of examination centers to consider WNV-infections in patients with similar clinical symptoms.
? Control measures
Measures applied Control of arthropods
Control of wildlife reservoirs
Screening
Vaccination prohibited
No treatment of affected animals
Measures to be applied No other measures
? Diagnostic test results
Laboratory name and type Austrian Agency for Health and Food Safety (AGES) (National laboratory)
Tests and results: Species - Test - Test date - Result
* Wild - species real-time PCR - 16/09/2008 - Positive
? Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
-
<iframe marginheight="0" marginwidth="0" src="http://maps.google.it/maps/ms?ie=UTF8&hl=en&t=h&s=AARTsJp7AcZvsbbo4zxGPMMNixjGOwDpAQ&msa=0&msid=106124485624561026757.0004594bc9d01154471f7&ll=48.301467,16.64978&spn=1.278947,2.334595&z=8&output=embed" scrolling="no" width="425" frameborder="0" height="350"></iframe>
<small>View Larger Map</small>
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