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Biosecurity

Biosecurity . Biosecurity Principles. Adapted from the FAD PReP /NAHEMS Guidelines: Biosecurity (2013). Importance of Biosecurity. Reduce risk of disease spread During movement of personnel, equipment, and materials During routine animal care During animal emergency response activities

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Biosecurity

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  1. Biosecurity Biosecurity Principles Adapted from the FAD PReP/NAHEMS Guidelines: Biosecurity (2013)

  2. Importance of Biosecurity FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Reduce risk of disease spread • During movement of personnel, equipment, and materials • During routine animal care • During animal emergency response activities • Protect responders’ health if agent is zoonotic

  3. Biosecurity Awareness FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Focus on biosecurity when completing tasks • All personnel • During response • During normal activities • Develop a Biosecurity Plan • Establish a decontamination area • Think ahead, plan, and be patient

  4. Routes of Disease Transmission FAD PReP/NAHEMS Guidelines: Biosecurity - Principles

  5. Aerosol Transmission FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Inhalation of droplets containing pathogens • Animals in close proximity • Typically respiratory, some diarrheal diseases • Examples: • FMD • END • Influenza • Q Fever

  6. Oral Transmission FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Ingestion of pathogenic agents via feces, urine, saliva, other secretions • Contaminated feed, water or other items in animal’s environment. • Examples: • END • FMD • Hendra • Nipah • Q Fever

  7. Direct Contact FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Physical contact between susceptible and infected animal/environment. • Via skin, mucus membranes, wound • Rubbing, biting, licking • Fomites • Examples: African Swine Fever, FMD, Q Fever, Contagious Equine Metritis

  8. Fomite Transmission FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Pathogen transfer by inanimate objects • Direct contact or oral transmission • Boots, clothing, tools, vehicles, syringes, and other equipment • Examples: ASF, CSF, FMD, Influenza

  9. Vector Transmission FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Arthropods transfer pathogens from infected animal to healthy animal • Mechanical and biological vectors • Fleas, ticks, mosquitoes • Examples: Bluetongue, EIA, West Nile Virus

  10. Zoonotic Transmission FAD PReP/NAHEMS Guidelines: Biosecurity - Principles Pathogens spread between animals and humans Any route Occupational and public health concerns Examples: Brucellosis, END, Influenza, Q Fever, Hendra, Nipah, Tuberculosis

  11. Clothing and PPE for Biosecurity FAD PReP/NAHEMS Guidelines: Biosecurity - Principles

  12. Importance FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Pathogenic agents can be transferred via contaminated clothing • Ask about biosecurity practices before entering animal areas • Follow premises biosecurity protocols • Shower-in; shower out

  13. Outerwear FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Clean outerwear: • Disposable or reusable coveralls,lab coat, smock, etc. • Remove when leaving premises • Wear gloves, wash hands after removing

  14. Outerwear FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Footwear: • Rubber boots, disposable plastic boots or other easily cleanable footwear • Boots: • Remove all organic matter • Thoroughly disinfect with water and approved disinfectant

  15. Disposable Outerwear FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Dispose of on-site, if possible • Coveralls, gloves, boot covers(and disposable equipment) • If not disposed on-site, place in garbage bag, seal, double bag, and dispose of later

  16. Reusable Outerwear FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • May be reused after cleaning and disinfection • Washable coveralls • Rubber boots • May need to leave at premises • May have protocol for transporting contaminated items

  17. PPE FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Personal Protective Equipment (PPE) purposes: • Protect responder from hazards • Prevent spread of hazards between animals and locations • PPE briefing: • To don, doff, clean, and disinfect PPE • Avoid cross-contamination

  18. Biosecurity and other Fomites FAD PReP/NAHEMS Guidelines: Biosecurity - Principles

  19. Vehicles FAD PReP/NAHEMS Guidelines: Biosecurity - Principles Park vehicles away from animal areas and runoff. Avoid driving in manure or wastewater Clean vehicles between visits to production facilities Follow cleaning and disinfection protocols

  20. Vehicles FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Designate “clean” and “dirty” areas in vehicle • Properly contain any contaminated clothing,equipment or supplies • Follow protocols for later disposal or decontamination

  21. C&D– Cleaning/Disinfection FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Two-step process: • Cleaning • Disinfection • Items to clean and disinfect include: • Vehicles • Tools and equipment • Reusable clothing, reusable PPE • Hands

  22. C&D Vehicles FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Clean between visits to production facilities, include tires and floor mats • Use commercial car washes with wheel-well washing • May need a tire spray

  23. C&D Equipment and Hands FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • Equipment: • Select easily cleanable equipment • Use disposable equipment when possible • Clean and disinfect before leaving premises, if at all possible • Hands: • Wash with antibacterial soap • Wash hands even if gloves are worn

  24. Prevent Contamination FAD PReP/NAHEMS Guidelines: Biosecurity - Principles Avoid walking through contaminated areas Avoid direct contact with contaminated items Protect injured skin Stay upwind of airborne contaminants Do not carry personal items into contaminated areas

  25. Prevent Contamination FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • For equipment: • Limit time vehicles and equipment are in contaminated area • When taking samples: • Set contaminated samples and tools in clean bag before placing on clean surface • Bag sample containers before removing from site

  26. For More Information FAD PReP/NAHEMS Guidelines: Biosecurity - Principles • FAD PReP/NAHEMS Guidelines & SOP: Biosecurity (2013) • http://www.aphis.usda.gov/animal_health/emergency_management/ • Biosecurity web-based training module • http://naherc.sws.iastate.edu/

  27. Guidelines Content FAD PReP/NAHEMS Guidelines: Biosecurity - Principles Author (CFSPH) Cheryl L. Eia, JD, DVM, MPH Reviewers (USDA) Diego Martin Fridmann, DVM, PhD Lori P. Miller, PE

  28. Acknowledgments Development of this presentation was by the Center for Food Security and Public Health at Iowa State University through funding from the USDA APHIS Veterinary Services PPT Authors: Dawn Bailey, BS; Kerry Leedom Larson, DVM, MPH, PhD, DACVPM;Cheryl L. Eia, JD, DVM, MPH; Patricia Futoma, Veterinary Student Reviewers: Glenda Dvorak, DVM, MPH, DACVPM; Janice Mogan, DVM

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