Denmark - 4 new outbreaks of highly pathogenic avian influenza H5N8 in wild birds (OIE, February 3, 2017)

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Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), Denmark

Information received on 03/02/2017 from Dr Per Starcke Henriksen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Food, Agriculture and Fisheries, Glostrup, Denmark

Summary Report type Immediate notification Date of start of the event 26/12/2016 Date of confirmation of the event 12/01/2017 Report date 03/02/2017 Date submitted to OIE 03/02/2017 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 2016 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Laboratory (advanced) This event pertains to the whole country

New outbreaks (4)

Outbreak 1 (HPAIwb2017-1) Ormstrup Skov, Viborg, WEST Date of start of the outbreak 26/12/2016 Outbreak status Resolved (26/12/2016) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On December 26th, a white-tailed eagle (Haliaeetus albicilla) was found dead in Ormstrup Skov. On January 12th, the national veterinary institute confirmed highly pathogenic avian influenza virus (H5N8) in the samples from the eagle.

Outbreak 2 (HPAIwb2017-3) Hesn?s, Guldborgsund, EAST Date of start of the outbreak 26/12/2016 Outbreak status Resolved (26/12/2016) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 0 1 0 Affected population On December 26th, a white-tailed eagle (Haliaeetus albicilla) was found near Hesn?s. On January 23th, the national veterinary institute confirmed highly pathogenic avian influenza virus (H5N8) in the samples from the eagle.

Outbreak 3 (HPAIwb2017-2) Haderslev, Haderslev, WEST Date of start of the outbreak 07/01/2017 Outbreak status Resolved (07/01/2017) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On January 7th, a white-tailed eagle (Haliaeetus albicilla) was found dead near Haderslev. On January 13th, the national veterinary institute confirmed highly pathogenic avian influenza virus (H5N8) in the samples from the eagle.

Outbreak 4 (HPAIwb2017-4) Eg? Engs?, ?rhus, WEST Date of start of the outbreak 23/01/2017 Outbreak status Resolved (23/01/2017) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Eurasian Wigeon:Anas penelope(Anatidae) 1 1 0 0 Affected population On January 23rd, an Eurasian wigeon (Anas penelope) was found dead near the lake Eg? Engs?. On February 2nd, the national veterinary institute confirmed highly pathogenic avian influenza virus (H5N8) in the samples from the bird.

Summary of outbreaks Total outbreaks: 4 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 3 2 1 0 Eurasian Wigeon:Anas penelope(Anatidae) 1 1 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* White-tailed Eagle:Haliaeetus albicilla(Accipitridae) ** ** 66.67% ** Eurasian Wigeon:Anas penelope(Anatidae) ** ** 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 Contact with wild species Epidemiological comments The four cases of highly pathogenic avian influenza H5H8 in wild birds covered by this immediate notification have all been detected in 2017 and are epidemiologically linked to the cases reported in immediate notification and follow-up reports in November and December 2016. In compliance with the letter of 26 December 2016 from the Director General, cases of HPAI in wild birds detected since 1 January 2017 are notified in WAHIS to the OIE using the new disease name ?Highly pathogenic influenza A viruses (infection with) (non-poultry including 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 National Veterinary Institute (National laboratory) Eurasian Wigeon reverse transcription - polymerase chain reaction (RT-PCR) 02/02/2017 Positive National Veterinary Institute (National laboratory) White-tailed Eagle reverse transcription - polymerase chain reaction (RT-PCR) 12/01/2017 Positive National Veterinary Institute (National laboratory) White-tailed Eagle reverse transcription - polymerase chain reaction (RT-PCR) 13/01/2017 Positive National Veterinary Institute (National laboratory) White-tailed Eagle reverse transcription - polymerase chain reaction (RT-PCR) 23/01/2017 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=22690