OIE: Low pathogenic avian influenza (poultry), France

Summary

Report type	Follow-up report No. 21
Date of start of the event	06/12/2015
Date of confirmation of the event	10/12/2015
Report date	23/04/2018
Date submitted to OIE	23/04/2018
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) Follow-up report No. 20 (19/03/2018) Follow-up report No. 21 (23/04/2018)

New outbreaks (1)

Outbreak 1 (60)

MONBAHUS, MONBAHUS, Lot-Et-Garonne

Date of start of the outbreak

17/04/2018

Outbreak status

Resolved (19/04/2018)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	12240		0	12240	0

Affected population

Samples taken in the framework of the repopulation of a previous outbreak site. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on April 19th, 2018. The 12,240 ducks ready for gavage of the farm were killed and disposed of on April 19th, 2018.

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	12240	**	0	12240	0

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	Epidemiological investigation 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	19/04/2018	Positive
ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory)	Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	19/04/2018	Positive

Future Reporting

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