Cameroon - 16 new outbreaks of highly pathogenic avian influenza H5N1 in birds (OIE, July 04, 2016)

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Highly pathogenic avian influenza, Cameroon

Information received on 04/07/2016 from Dr Gaston Djonwe, Directeur des Services V?t?rinaires, Services V?t?rinaires, Minist?re de l'Elevage, des P?ches & des Industries Animales, Yaound?, Cameroon

Summary Report type Follow-up report No. 1 Date of start of the event 20/05/2016 Date of confirmation of the event 24/05/2016 Report date 04/07/2016 Date submitted to OIE 04/07/2016 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)

New outbreaks (16)

Outbreak 1 Mvog Ada Market., Yaound? 4, Mfoundi, CENTRE Date of start of the outbreak 21/05/2016 Outbreak status Resolved (24/06/2016) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 1200 682 682 382 Affected population Broilers and spent chickens of different ages.

Outbreak 2 March? Oyenga , Ebolowa 2, Mvilla, SUD Date of start of the outbreak 21/05/2016 Outbreak status Resolved (31/05/2016) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 1202 352 352 850 0 Affected population Broilers, layers, village chicken and ducks.

Outbreak 3 Bilon, Ebolowa 2, Mvilla, SUD Date of start of the outbreak 21/05/2016 Outbreak status Resolved (31/05/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 4650 2000 2000 2650 0 Affected population Broilers.

Outbreak 4 Haoussa area., Ebolowa , Mvilla, SUD Date of start of the outbreak 23/05/2016 Outbreak status Resolved (02/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 20 7 7 13 0 Affected population Ducks.

Outbreak 5 John Holth, Ebolowa 1, Mvilla, SUD Date of start of the outbreak 23/05/2016 Outbreak status Resolved (31/05/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 66 66 66 0 0 Affected population Broilers.

Outbreak 6 Nkolodom, Yaound? 1, Mfoundi, CENTRE Date of start of the outbreak 23/05/2016 Outbreak status Resolved (25/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 500 133 133 367 0 Affected population 43-day-old broilers.

Outbreak 7 Ebolowa Si II, Ebolowa , Mvilla, SUD Date of start of the outbreak 24/05/2016 Outbreak status Resolved (02/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 30 15 15 15 0 Affected population Ducks.

Outbreak 8 Angale, Ebolowa , Mvilla, SUD Date of start of the outbreak 24/05/2016 Outbreak status Resolved (02/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 500 200 200 300 0 Affected population Broilers.

Outbreak 9 Mekounou - Afanoyoa, Yaound? 3, Mfoundi, CENTRE Date of start of the outbreak 26/05/2016 Outbreak status Resolved (15/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 5813 30 30 5783 0 Affected population 36-day-old broilers, 6-week-old, 12-week-old and 51-week-old laying hens.

Outbreak 10 Monelam, Ebolowa 2, Mvilla, SUD Date of start of the outbreak 29/05/2016 Outbreak status Resolved (08/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 351 7 7 344 0 Affected population Village chicken, ducks, guinea fowls and geese.

Outbreak 11 Akoudou? II (Biyem Assi), Yaound? 6, Mfoundi, CENTRE Date of start of the outbreak 30/05/2016 Outbreak status Resolved (01/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 500 200 200 300 0 Affected population 45-day-old broilers.

Outbreak 12 Bayangam, Bayangam, Koung Khi, OUEST Date of start of the outbreak 31/05/2016 Outbreak status Resolved (10/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 12000 1500 1500 10500 0 Affected population 2-week-old, 2 week-old and 8-week-old broilers.

Outbreak 13 Cassablanca market., Bafoussam II, Mifi, OUEST Date of start of the outbreak 31/05/2016 Outbreak status Resolved (03/06/2016) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 428 61 61 367 0 Affected population Village poultry, turkeys, ducks and broilers of different ages.

Outbreak 14 New-Bell, Ebolowa 1, Mvilla, SUD Date of start of the outbreak 01/06/2016 Outbreak status Resolved (13/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 6000 1439 1439 4561 0 Affected population Broilers aged 30 days, cockerels aged 60 days and laying hens aged 12 months.

Outbreak 15 Jouvence, Yaound? 6, Mfoundi, CENTRE Date of start of the outbreak 03/06/2016 Outbreak status Resolved (09/06/2016) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 831 300 300 531 0 Affected population 60-day-old broilers.

Outbreak 16 Daber, Tibati, Djerem, ADAMAOUA Date of start of the outbreak 04/06/2016 Outbreak status Resolved (08/06/2016) Epidemiological unit Backyard Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 66 48 48 18 0 Affected population Village poultry.

Summary of outbreaks Total outbreaks: 16 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 34157 7040 7040 26981 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 20.61% 20.61% 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 Following the first outbreak of avian influenza, the strengthening of epidemiological surveillance helped to detect secondary outbreaks and control the disease in the localities, subject of this follow-up report. The control measures applied are in line 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 recommendations.

Control measures Measures applied Movement control inside the country Screening Disinfection / Disinfestation Dipping / Spraying 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 permitted (if a vaccine exists) 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) 23/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 27/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 28/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 30/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 31/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 04/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 06/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 07/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 08/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 26/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 27/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 28/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 30/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 31/05/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 01/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 04/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 06/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 07/06/2016 Positive National Veterinary Laboratory (LANAVET) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 08/06/2016 Positive

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

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=20382