France - 3 new outbreaks of low pathogenic avian influenza H5N3 in ducks in farms, Vendee, Gers (OIE, February 21, 2018)

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Low pathogenic avian influenza (poultry), France

Information received on 21/02/2018 from Dr Loic Evain, Directeur G?n?ral adjoint, CVO, Direction g?n?rale de l'alimentation, Minist?re de l'Agriculture et de l'Alimentation, Paris, France

Summary Report type Follow-up report No. 18 Date of start of the event 06/12/2015 Date of confirmation of the event 10/12/2015 Report date 21/02/2018 Date submitted to OIE 21/02/2018 Reason for notification New strain of a listed disease Manifestation of disease Sub-clinical infection Causal agent Virus de l'influenza aviaire faiblement pathog?ne Serotype H5N3 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (15/12/2015) Follow-up report No. 1 (22/01/2016) Follow-up report No. 2 (01/04/2016) Follow-up report No. 3 (11/08/2016) Follow-up report No. 4 (11/08/2016) Follow-up report No. 5 (15/09/2016) Follow-up report No. 6 (10/10/2016) Follow-up report No. 7 (26/12/2016) Follow-up report No. 8 (03/02/2017) Follow-up report No. 9 (03/03/2017) Follow-up report No. 10 (14/04/2017) Follow-up report No. 11 (08/06/2017) Follow-up report No. 12 (26/09/2017) Follow-up report No. 13 (04/12/2017) Follow-up report No. 14 (11/12/2017) Follow-up report No. 15 (19/01/2018) Follow-up report No. 16 (05/02/2018) Follow-up report No. 17 (09/02/2018) Follow-up report No. 18 (21/02/2018)

New outbreaks (3)

Outbreak 1 (47) SAINT CHRISTOPHE DU LIGNERON, SAINT CHRISTOPHE DU LIGNERON, VEND?E Date of start of the outbreak 15/02/2018 Outbreak status Resolved (20/02/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 15000 0 0 15000 Affected population Pr?l?vements effectu?s sur des canards pr?ts ? gaver. Le laboratoire national de r?f?rence a confirm? la pr?sence du virus H5NX faiblement pathog?ne le 17 f?vrier 2018. Les animaux ne pr?sentaient aucun signe clinique. Les 15 000 animaux que compte l''''exploitation ont ?t? abattus le 20 f?vrier 2018.

Outbreak 2 (46) VIELLA, VIELLA, GERS Date of start of the outbreak 15/02/2018 Outbreak status Resolved (20/02/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 2000 0 0 2000 Affected population Pr?l?vements effectu?s sur des canards pr?ts ? gaver. Le laboratoire national de r?f?rence a confirm? la pr?sence du virus H5N3 faiblement pathog?ne le 17 f?vrier 2018. Les animaux ne pr?sentaient aucun signe clinique. Les 2 000 animaux que compte l''''exploitation ont ?t? abattus le 20 f?vrier 2018.

Outbreak 3 (45) SAUVIAC, SAUVIAC, GERS Date of start of the outbreak 15/02/2018 Outbreak status Resolved (20/02/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 1400 0 0 1400 Affected population Pr?l?vements effectu?s dans le cadre des autocontr?les avant le mouvement des canards pr?ts ? gaver. Le laboratoire national de r?f?rence a confirm? la pr?sence du virus H5N3 faiblement pathog?ne le 19 f?vrier 2018. Les animaux ne pr?sentaient aucun signe clinique. Les 1 400 animaux que compte l''''exploitation ont ?t? abattus le 20 f?vrier 2018.

Summary of outbreaks Total outbreaks: 3 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 18400 ** 0 0 18400 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds ** 0.00% ** 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 Une enqu?te ?pid?miologique est en cours.

Control measures Measures applied Movement control inside the country Screening Traceability Stamping out Surveillance within containment and/or protection zone 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 Laboratoire national de r?f?rence pour l'influenza aviaire de l'Anses-Ploufragan (National laboratory) Birds nucleotide sequencing 19/02/2018 Positive Laboratoire national de r?f?rence pour l'influenza aviaire de l'Anses-Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 19/02/2018 Positive

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

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