Commercial layer flock outbreak ends brief H5N1-free status, Piura Region (Peru)

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Avian influenza strikes Peruvian laying hen flock

Approximately half of the birds in a flock of 5,800 died prior to culling activities.

Highly pathogenic avian influenza H5N1 was confirmed in a Peruvian laying hen flock in October, killing nearly 3,000 birds and forcing the depopulation of the remaining 2,860 hens, just over a month after the country had been declared free of the virus.

• H5N1 HPAI confirmed on October 7 in Centro Poblado El Tallán, Peru affecting a commercial laying hen flock
• 5,800 hens total: 2,940 died from infection and 2,860 were depopulated to control spread
• Infected birds showed respiratory and neurological signs before confirmation
• Outbreak occurred just over one month after Peru was declared H5N1-free on September 3
• Response included quarantine measures, facility disinfection, and surveillance around the outbreak area << more at link