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2021-10-18 15:33:41


OIE: Highly pathogenic avian influenza (H5N1), Cote d´Ivoire
submited by kickingbird at Aug, 14, 2021 13:17 PM from OIE

General information
Report type: immediate notification
Date of start of the event: 15 Jul 2021
Date of confirmation of the event: 29 Jul 2021
Reason for notification: recurrence
Last occurrence: 23 Oct 2016
Manifestation of disease: clinical disease
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory, necropsy
This event pertains to a defined zone within the country.

Outbreak location: village of Mondoukou, Grand Bassam, Sud Comoe,
Comoe
Date of start of the outbreak: 15 Jul 2021
Epidemiological unit: village
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 76 613 / 43 410 / 43 410 / - / - / -
Affected population: the affected population is composed of chickens,
guinea fowl, ducks, and quail.

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive
Epidemiological comments: some 39 farms were identified in the village
of Mondoukou. Samples were taken from three farms and found to be
positive for the H5N1 avian influenza virus. The remaining 36 farms
showed the same symptoms as the 3 farms that were diagnosed and also
experienced mortality. Overall, the mortality observed was around
56.7% and varied according to species: broilers (63.4%), layers (26%),
traditional chickens (65%), guinea fowl (98.8%), ducks (32%), turkeys
(7.5%), and quails (35%).

Control measures at event level
Domestic control measures applied: quarantine; official destruction of
animal products; surveillance within containment and/or protection
zone; surveillance outside containment and/or protection zone;
movement control inside the country; screening
Domestic control measures to be applied: stamping out; disinfection;
official disposal of carcasses, by-products, and waste

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
[Central Veterinary Laboratory], Bingerville (LCVB) (national
laboratory) / birds / 1 / Real-time polymerase chain reaction
(real-time PCR) / 29 Jul 2021 / positive
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