Czech Republic - 9 new outbreaks of highly pathogenic avian influenza H5N8 in backyard birds and farm (OIE, February 8, 2017)

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Highly pathogenic avian influenza, Czech Republic

Information received on 08/02/2017 from Dr Zbyněk Semer?d, Director General, State Veterinary Administration, Veterinary Administration, Prague, Czech Republic

Summary Report type Follow-up report No. 6 Date of start of the event 04/01/2017 Date of confirmation of the event 04/01/2017 Report date 08/02/2017 Date submitted to OIE 08/02/2017 Reason for notification First occurrence of a listed disease Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Clinical, Laboratory (advanced), Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (05/01/2017) Follow-up report No. 1 (14/01/2017) Follow-up report No. 2 (18/01/2017) Follow-up report No. 3 (24/01/2017) Follow-up report No. 4 (28/01/2017) Follow-up report No. 5 (01/02/2017) Follow-up report No. 6 (08/02/2017)

New outbreaks (9)

Outbreak 1 Kostelec nad Labem, Meln?k, STREDOCESK? Date of start of the outbreak 03/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 19 8 8 11 0 Affected population The affected population were 8 hens, 11 domestic ducks

Outbreak 2 Hl?sn? Treb?n, Beroun, STREDOCESK? Date of start of the outbreak 04/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 35 5 5 30 0 Affected population The affected population were 35 hens

Outbreak 3 Januv Dul, Liberec, LIBERECK? Date of start of the outbreak 04/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 10 6 6 4 0 Affected population The affected population were 10 ducks

Outbreak 4 Orlov?, Karvin?, MORAVSKOSLEZSK? Date of start of the outbreak 04/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 50 5 5 45 0 Affected population The affected population were 50 hens

Outbreak 5 Kold?n, ?st? nad Orlic?, PARDUBICK? Date of start of the outbreak 04/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 48 7 7 41 0 Affected population The affected population were 32 hens, 9 ducks, 7 geese

Outbreak 6 Blatn?, Strakonice, JIHOCESK? Date of start of the outbreak 05/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 21300 273 273 21027 0 Affected population The affected population were 21300 ducks

Outbreak 7 L?senice, Jindrichuv hradec, JIHOCESK? Date of start of the outbreak 06/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 163 53 53 110 0 Affected population The affected population were 163 poultry

Outbreak 8 Z?ryby, Praha-v?chod, STREDOCESK? Date of start of the outbreak 06/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 160 5 5 155 0 Affected population The affected population were 160 hens, geese, ducks, guinea fowls, turkeys

Outbreak 9 Bla?ejovice, Bene?ov, STREDOCESK? Date of start of the outbreak 07/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 15 5 5 10 0 Affected population The affected population were 12 hens and 3 ducks

Summary of outbreaks Total outbreaks: 9 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 21800 367 367 21433 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 1.68% 1.68% 100.00% 100.00% *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

Control measures Measures applied Movement control inside the country Screening Disinfection / Disinfestation Quarantine Stamping out Zoning 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 State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 04/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 04/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 04/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 04/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 05/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 06/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 06/02/2017 Positive State Veterinary Institute, Prague (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 07/02/2017 Positive

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

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