France - 4 new outbreaks of low pathogenic avian influenza H5N3 in birds in farms, Gers, Loire-Atlantique, Lot-et-Garonne, Finistere (OIE, March 9, 2018)

[Pathfinder]

Low pathogenic avian influenza (poultry), France

Information received on 09/03/2018 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. 19 Date of start of the event 06/12/2015 Date of confirmation of the event 10/12/2015 Report date 09/03/2018 Date submitted to OIE 09/03/2018 Reason for notification New strain of a listed disease Manifestation of disease Sub-clinical infection Causal agent Low pathogenic avian influenza virus 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) Follow-up report No. 19 (09/03/2018)

New outbreaks (4)

Outbreak 1 (53) Endoufielle, Endoufielle, GERS Date of start of the outbreak 20/02/2018 Outbreak status Resolved (22/02/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 3600 0 3600 0 Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on February 22nd, 2018. The 3,600 ready-for-gavage birds of the farm were killed and disposed of on February 22nd, 2018.

Outbreak 2 (54) Leg?, Leg?, LOIRE-ATLANTIQUE Date of start of the outbreak 03/03/2018 Outbreak status Resolved (07/03/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 16750 0 16750 0 Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5Nx virus on March 8th, 2018. The 16,750 ready-for-gavage birds were killed and disposed of on March 7th, 2018.

Outbreak 3 (55) Montauriol, Montauriol, LOT-ET-GARONNE Date of start of the outbreak 05/03/2018 Outbreak status Resolved (08/03/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 8160 177 7983 0 Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on March 8th, 2018. The animals were killed and disposed of on March 8th, 2018.

Outbreak 4 (56) Cleder, Cl?der, FINIST?RE Date of start of the outbreak 07/03/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 7500 0 0 0 Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on March 9th, 2018. The 7,500 ready-for-gavage birds of the farm will be killed on March 10th, 2018.

Summary of outbreaks Total outbreaks: 4 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 36010 ** 177 28333 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds ** 0.49% ** 79.17% *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 The epidemiological investigation is ongoing.

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 ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds nucleotide sequencing 08/03/2018 Positive ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds nucleotide sequencing 09/03/2018 Positive ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 08/03/2018 Positive ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 09/03/2018 Positive

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

...

http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=26140