Emerging Response for Avian Influenza Outbreak

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Emerging Response for Avian Influenza Outbreak

• Department of Livestock Development
• Ministry of Agriculture and Cooperatives

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Before 2004
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Laboratory Surveillance 1997-2002
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• Highly Pathogenic Avian Influenza was first
  islolated and confirmed in Thailand in January
  2004

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Overall Operation

• Phase I During the Outbreak
• Eradication of the disease
• Phase II Post Outbreak
• Proof Freedom from disease
• Pro-active surveillance
• Phase III Surveillance and Monitoring
• Long term surveillance

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Phase I During the outbreak

• Preemptive culling
• Depopulation and disinfection all flocks within 5
  km radius ( Restriction zone)
• Surveillance during the outbreak
• all flocks within 50 km radius (Control zone)
• Movement control
• area within 60 km radius
• Public awareness campaign

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Results of the preemptive actions

• Preemptive destruction
• 814 farms
• 7.3 millions birds
• compensation 275 millions Baht
• Continuing activities
• Test and Cull
• Target 2,011 flocks (27 Jan 04)
• 4.3 million birds (27 Jan 04)

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Surveillance during the outbreak

• Cloacal swabs
• Viral Isolation
• Laboratory assays OIE guidelines

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Movement control

• 65 checkpoints were set up by the DLD to enforce
  the regulations
• More checkpoints by Police force etc.

Public awareness campaign

• 24 hr. call center
• Information, recommendation and guidelines have
  been distributed

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Phase II Post-outbreak

• To confirm freedom from disease (OIE)
• Includes clinical surveillance and laboratory
  surveillance
• Control zone
• Other
• Duration
• Initial phase 30 days PO
• Later phase 5 months PO

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Phase III Surveillance and monitoring

• For early detection of the disease
• Since 1997
• Nationwide
• Long term
• Active and Passive surveillance
• All avian spp farm, backyard, migratory, import,
  exotic etc.