Denmark - 19 new outbreaks of highly pathogenic influenza H5N6 in wild birds, East, West (OIE, May 15, 2018)

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

Information received on 15/05/2018 from Dr Per Starcke Henriksen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Food, Agriculture and Fisheries, Glostrup, Denmark

Summary Report type Follow-up report No. 2 Date of start of the event 09/02/2018 Date of confirmation of the event 01/03/2018 Report date 15/05/2018 Date submitted to OIE 15/05/2018 Reason for notification Recurrence of a listed disease Date of previous occurrence 19/04/2017 Manifestation of disease Clinical disease Causal agent Highly pathogenic influenza A virus Serotype H5N6 Nature of diagnosis Laboratory (advanced) This event pertains to the whole country Related reports Immediate notification (02/03/2018) Follow-up report No. 1 (26/03/2018) Follow-up report No. 2 (15/05/2018)

New outbreaks (19)

Outbreak 1 B?t? Plantage, Guldborgsund, East Date of start of the outbreak 13/02/2018 Outbreak status Resolved (13/02/2018) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On February 12th, a white-tailed eagle (Haliaeetus albicilla) was found dead in B?t? Plantage on the Island Falster. On April 26th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the eagle.

Outbreak 2 R?nne, Bornholm, East Date of start of the outbreak 24/03/2018 Outbreak status Resolved (24/03/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On March 24th, a common buzzard (Buteo buteo) was found dead in R?nne on the island Bornholm. On April 18th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Outbreak 3 Vester Hassing, Aalborg, West Date of start of the outbreak 24/03/2018 Outbreak status Resolved (24/03/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On March 24th, a common buzzard (Buteo buteo) was found dead near Vester Hassing. On May 8th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Outbreak 4 Nibe, Aalborg, West Date of start of the outbreak 25/03/2018 Outbreak status Resolved (25/03/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Hooded Crow:Corvus cornix(Corvidae) 1 1 0 0 Affected population On March 25th, a hooded crow (Corvus cornix) and a common buzzard (Buteo buteo) were found dead near Nibe. On April 6th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the crow and the buzzard.

Outbreak 5 Sk?lsk?r, Slagelse, East Date of start of the outbreak 26/03/2018 Outbreak status Resolved (27/03/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Herring Gull:Larus argentatus(Laridae) 1 1 0 0 Black-headed Gull:Larus ridibundus(Laridae) 1 1 0 0 Great Cormorant:Phalacrocorax carbo(Phalacrocoracidae) 1 1 0 0 Affected population On March 26th and March 27th, a black-headed gull (Larus ridibundus), a herring gull (Larus argentatus) and a great cormorant (Phalacrocorax carbo) were found dead in Sk?lsk?r. On April 9th and April 11th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the gulls and the cormorant.

Outbreak 6 Maribo, Guldborgsund, East Date of start of the outbreak 27/03/2018 Outbreak status Resolved (27/03/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Mute Swan:Cygnus olor(Anatidae) 1 1 0 0 Affected population On March 27th, a mute swan (Cygnus olor) was found dead near Maribo. On April 10th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the swan.

Outbreak 7 Rude Skov, Slagelse, East Date of start of the outbreak 27/03/2018 Outbreak status Resolved (27/03/2018) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On March 27th, a white-tailed eagle (Haliaeetus albicilla) was found dead in Rude Skov. On April 11th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the eagle.

Outbreak 8 Vesterskov, Lejre, East Date of start of the outbreak 27/03/2018 Outbreak status Resolved (27/03/2018) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On March 27th, a white-tailed eagle (Haliaeetus albicilla) was found dead in Vesterskov. On April 11th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the eagle.

Outbreak 9 Binderup M?lle, Aalborg, West Date of start of the outbreak 28/03/2018 Outbreak status Resolved (28/03/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Hooded Crow:Corvus cornix(Corvidae) 1 1 0 0 Affected population On March 28th, a hooded crow (Corvus cornix) was found dead near Binderup M?lle. On April 6th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the crow.

Outbreak 10 Kalvebod F?lled, T?rnby, East Date of start of the outbreak 01/04/2018 Outbreak status Resolved (01/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On April 1st, a common buzzard (Buteo buteo) was found dead in Kalvebod F?lled on the island Amager. On April 18th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Outbreak 11 Gl?n?, Slagelse, East Date of start of the outbreak 02/04/2018 Outbreak status Resolved (02/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On April 2nd, a white-tailed eagle (Haliaeetus albicilla) was found dead on Gl?n?. On April 9th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the eagle.

Outbreak 12 ?gerup, Kalundborg, East Date of start of the outbreak 02/04/2018 Outbreak status Resolved (02/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 2 2 0 0 Affected population On April 2nd, two common buzzards (Buteo buteo) were found dead in ?gerup. On April 12th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzards.

Outbreak 13 Basn?s Skov, Slagelse, East Date of start of the outbreak 03/04/2018 Outbreak status Resolved (03/04/2018) Epidemiological unit Forest Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0 Affected population On April 3rd, a white-tailed eagle (Haliaeetus albicilla) was found dead in Basn?s Skov. On April 9th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the eagle.

Outbreak 14 Tylstrup, Jammerbugt, West Date of start of the outbreak 08/04/2018 Outbreak status Resolved (08/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On April 8th, a common buzzard (Buteo buteo) was found dead near Tylstrup. On April 18th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Outbreak 15 Hadsten, Favrskov, West Date of start of the outbreak 09/04/2018 Outbreak status Resolved (09/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On April 9th, a common buzzard (Buteo buteo) was found dead near Hadsten. On April 18th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Outbreak 16 Freerslev, Faxe, East Date of start of the outbreak 11/04/2018 Outbreak status Resolved (11/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On April 11th, a common buzzard (Buteo buteo) was found dead in Freerslev. On April 23th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard

Outbreak 17 Faaborg, Faaborg-Midtfyn, East Date of start of the outbreak 11/04/2018 Outbreak status Resolved (11/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Mute Swan:Cygnus olor(Anatidae) 1 1 0 0 Affected population On April 11th, a mute swan (Cygnus olor) was found dead in Faaborg. On April 23th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the swan.

Outbreak 18 Svenstrup, S?nderborg, West Date of start of the outbreak 15/04/2018 Outbreak status Resolved (15/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On April 15th, a common buzzard (Buteo buteo) was found dead near Svenstrup on the Island of Als. On April 23th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Outbreak 19 Aarhus, Aarhus, West Date of start of the outbreak 15/04/2018 Outbreak status Resolved (15/04/2018) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On April 15th, a common buzzard (Buteo buteo) was found dead in Aarhus. On April 23th, the National Veterinary Institute confirmed highly pathogenic avian influenza virus (H5N6) in the samples from the buzzard.

Summary of outbreaks Total outbreaks: 19 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 5 5 0 0 Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 11 11 0 0 Hooded Crow:Corvus cornix(Corvidae) 2 2 0 0 Herring Gull:Larus argentatus(Laridae) 1 1 0 0 Black-headed Gull:Larus ridibundus(Laridae) 1 1 0 0 Great Cormorant:Phalacrocorax carbo(Phalacrocoracidae) 1 1 0 0 Mute Swan:Cygnus olor(Anatidae) 2 2 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) ** ** 100.00% ** Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) ** ** 100.00% ** Hooded Crow:Corvus cornix(Corvidae) ** ** 100.00% ** Herring Gull:Larus argentatus(Laridae) ** ** 100.00% ** Black-headed Gull:Larus ridibundus(Laridae) ** ** 100.00% ** Great Cormorant:Phalacrocorax carbo(Phalacrocoracidae) ** ** 100.00% ** Mute Swan:Cygnus olor(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 According to article 10.4.1.8 of the Terrestrial Animal Health Code, Member Countries should not impose bans on the trade in poultry and poultry commodities in response to notification on the presence of any influenza A virus in birds other than poultry.

Control measures Measures applied Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

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

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