OIE; Highly pathogenic avian influenza(H5N1), Cameroon

Summary

Report type	Follow-up report No. 31
Date of start of the event	20/05/2016
Date of confirmation of the event	24/05/2016
Report date	04/04/2017
Date submitted to OIE	04/04/2017
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	12/03/2006
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (27/05/2016) Follow-up report No. 1 (04/07/2016) Follow-up report No. 2 (08/07/2016) Follow-up report No. 3 (15/07/2016) Follow-up report No. 4 (22/07/2016) Follow-up report No. 5 (29/07/2016) Follow-up report No. 6 (05/08/2016) Follow-up report No. 7 (12/08/2016) Follow-up report No. 8 (19/08/2016) Follow-up report No. 9 (26/08/2016) Follow-up report No. 10 (14/09/2016) Follow-up report No. 11 (30/09/2016) Follow-up report No. 12 (15/10/2016) Follow-up report No. 13 (21/10/2016) Follow-up report No. 14 (28/10/2016) Follow-up report No. 15 (04/11/2016) Follow-up report No. 16 (11/11/2016) Follow-up report No. 17 (19/11/2016) Follow-up report No. 18 (26/11/2016) Follow-up report No. 19 (02/12/2016) Follow-up report No. 20 (10/12/2016) Follow-up report No. 21 (23/12/2016) Follow-up report No. 22 (06/01/2017) Follow-up report No. 23 (13/01/2017) Follow-up report No. 24 (21/01/2017) Follow-up report No. 25 (03/02/2017) Follow-up report No. 26 (13/02/2017) Follow-up report No. 27 (22/02/2017) Follow-up report No. 28 (13/03/2017) Follow-up report No. 29 (20/03/2017) Follow-up report No. 30 (31/03/2017) Follow-up report No. 31 (04/04/2017)

New outbreaks (1)

Outbreak 1

Mbandjou, Foumbot, Noun, OUEST

Date of start of the outbreak

07/03/2017

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	25413	21407	21407	4006	0

Affected population

12-weeks-old poultry birds.

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	25413	21407	21407	4006	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	84.24%	84.24%	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	Unknown or inconclusive
Epidemiological comments	Information received on March, 29th 2017 by the veterinary services of the Western region. The measures implemented comply with Law 006 of 16 April 2001 on zoo-sanitary standards applying to livestock diseases legally considered as contagious and subjected to compulsory reporting, and to the OIE Terrestrial Animal Health Code.

Control measures

Measures applied	Movement control inside the country Screening Disinfection / Disinfestation Quarantine Surveillance outside containment and/or protection zone Stamping out Official disposal of carcasses, by-products and waste 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
National Veterinary Laboratory (LANAVET) (National laboratory)	Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	03/04/2017	Positive
National Veterinary Laboratory (LANAVET) (National laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	03/04/2017	Positive

Future Reporting

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