Sweden - 1 new outbreak of highly pathogenic influenza H5N6 in backyard birds, Uppsala County (OIE, March 16, 2018)

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

Information received on 16/03/2018 from Dr Ingrid Eilertz, Chief Veterinary Officer Director and Head, Swedish Board of Agriculture Department for Animal Welfare and Health, Ministry for Rural Affairs, J?nk?ping, Sweden

Summary Report type Immediate notification Date of start of the event 11/03/2018 Date of confirmation of the event 15/03/2018 Report date 16/03/2018 Date submitted to OIE 16/03/2018 Reason for notification Recurrence of a listed disease Date of previous occurrence 24/02/2018 Manifestation of disease Clinical disease Causal agent Highly pathogenic influenza A virus Serotype H5N6 Nature of diagnosis Clinical, Laboratory (advanced) This event pertains to a defined zone within the country

New outbreaks (1)

Outbreak 1 ?sthammer, UPPSALA L?N Date of start of the outbreak 11/03/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 105 19 18 0 0 Affected population The affected population consists of 105 non-commercial birds: 28 hens, 11 turkeys, 1 goose, 22 pheasants, 40 pigeons and 3 quails. 15 hens, 1 quail and 2 turkeys have died and one turkey is sick.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 105 19 18 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 18.10% 17.14% 94.74% 17.14% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Contact with wild species Epidemiological comments All measures according to EU-Directive 2005/94 will be applied including the euthanising and destruction of all birds, cleaning and disinfection of all the premises. There are no commercial poultry farms within a 10km radius of the affected farm. In accordance with the OIE Terrestrial Animal Health Code, Article 10.4.1, point 8, this outbreak does not change the disease free status of Sweden as these are captive birds other than those falling under the OIE definition of poultry.

Control measures Measures applied Vaccination prohibited No treatment of affected animals Measures to be applied Movement control inside the country Traceability Official destruction of animal products Official disposal of carcasses, by-products and waste Stamping out Disinfection

Diagnostic test results Laboratory name and type Species Test Test date Result National veterinary institute (National laboratory) Birds real-time PCR 14/03/2018 Positive National veterinary institute (National laboratory) Birds real-time PCR 15/03/2018 Positive National veterinary institute (National laboratory) Birds virus sequencing 15/03/2018 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=26199