Highly pathogenic avian influenza,
Croatia
Information received on 19/01/2017 from Dr Damir Agicic, Assistant to Minister, Chief Veterinary Officer, Veterinary and Food Safety Directorate, CRO Ministry of Agriculture, ZAGREB, Croatia
Summary
Report type Follow-up report No. 4
Date of start of the event 30/10/2016
Date of confirmation of the event 09/11/2016
Report date 19/01/2017
Date submitted to OIE 19/01/2017
Date event resolved 07/06/2017
Reason for notification New strain of a listed disease in the country
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (10/11/2016)
Follow-up report No. 1 (18/11/2016)
Follow-up report No. 2 (08/12/2016)
Follow-up report No. 3 (16/01/2017)
Follow-up report No. 4 (19/01/2017)
Follow-up report No. 5 (24/01/2017)
Follow-up report No. 6 (27/01/2017)
Follow-up report No. 7 (10/02/2017)
Follow-up report No. 8 (17/02/2017)
Follow-up report No. 9 (24/02/2017)
Follow-up report No. 10 (07/06/2017)
New outbreaks (2)
Outbreak 1 Soderica lake, Soderica lake, Legrad, KOPRIVNICKO-KRIZEVACKA
Date of start of the outbreak 10/01/2017
Outbreak status Resolved (07/06/2017)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 8 8 0 0
Affected population On the lake Soderica, seven swans were found dead, one on January 10, 2017, the other six on 13 January 2017. One more swan was found dead on January 14, 2017.
Outbreak 2 Virovitica city, Virovitica city, Virovitica, VIROVITICKO-PODRAVSKA
Date of start of the outbreak 11/01/2017
Outbreak status Resolved (07/06/2017)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Great Cormorant:Phalacrocorax carbo(Phalacrocoracidae) 1 1 0 0
Affected population A great cormorant was found dead in the Virovitica city.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 8 8 0 0
Great Cormorant:Phalacrocorax carbo(Phalacrocoracidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
Great Cormorant:Phalacrocorax carbo(Phalacrocoracidae) ** ** 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 Housing of poultry is prescribed to prevent contact between poultry and wild birds.
Control measures
Measures applied
  • 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
Croatian Veterinary Instituite, Zagreb- Poultry Centre (National laboratory) Great Cormorant polymerase chain reaction (PCR) 18/01/2017 Positive
Croatian Veterinary Instituite, Zagreb- Poultry Centre (National laboratory) Mute Swan polymerase chain reaction (PCR) 18/01/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations