Biosecurity: Overview - Iowa State University

Biosecurity: Overview - Iowa State University

Biosecurity Overview Biosecurity Series of management practices Prevent introduction Keep disease agents out of animal populations where they are not present Prevent further spread From infected to uninfected groups By animals, personnel, equipment To other animals, premises, responders

Just In Time Training Biosecurity: Overview ICS: Biosecurity Group Biosecurity Group Supervisor Ensure appropriate biosecurity measures Develops site-specific biosecurity plan With the Safety Officer and Incident Commander Biosecurity Team Members Front line assistance in containing and

controlling disease outbreak Just In Time Training Biosecurity: Overview Basic Biosecurity Elements Awareness of importance Understand disease transmission Biosecurity measures Movement control or restriction People, animals, vehicles, equipment Personal protective equipment Isolation of infected and suspected

animals Proper C&D procedures Just In Time Training Biosecurity: Overview Routes of Transmission Direct Physical contact Biting, nose-to-nose, open wounds Fomites Inanimate object

Equipment, clothing, boots, vehicles Aerosol Inhalation of droplets with pathogens Just In Time Training Biosecurity: Overview Routes of Transmission Oral/Ingestion Pathogens consumed Contaminated feed or water,

licking/ chewing on contaminated object Vectors Insects transmit pathogens Mosquitoes, fleas, ticks Zoonotic Pathogens spread from animals to humans Just In Time Training Biosecurity: Overview

Biosecurity and Routes Route of Transmission Direct Contact Fomites Aerosol Ingestion Vectors (e.g., insects) Just In Time Training Possible Biosecurity Measures Isolation of infected animals; personal

protective equipment Cleaning and disinfection procedures; personal protective equipment Isolation of infected animals; personal protective equipment Cleaning and disinfection procedures Pest management procedures Biosecurity: Overview BIOSECURITY MEASURES Movement control and restriction Personal protective equipment Cleaning and disinfection

Isolation Vector control Just In Time Training Biosecurity: Overview Movement Control: Animals Stop movements Movement restrictions Animals should not be moved if: From a confirmed or suspected premises Contact with infected or suspect animal Susceptible animal near infected or

suspected premises Transport vehicles do not meet biosecurity standards Just In Time Training Biosecurity: Overview Movement Control: Personnel Restrict access Control movement on and off premises Log book for those allowed to access Post signs at

premises boundary Just In Time Training Biosecurity: Overview Movement Control: Vehicles Potential fomite transfer Park in designated areas away from animal locations Clean and disinfect before entering and

exiting premises Just In Time Training Biosecurity: Overview Biosecurity Work Zones Just In Time Training Biosecurity: Overview Personal Protective Equipment Two functions Prevent further spread

Protect responders Don PPE prior to entry into area Disposable Outerwear Tyvek coveralls, gloves, boot covers, masks Reusable Outerwear Cloth coveralls, rubber boots, goggles Just In Time Training Biosecurity: Overview

Personnel Biosecurity Once on infected premises, do not return to Cold Zone until PPE doffed Disposable items left on premises or placed in designated area Clean/disinfect reusable items on site WASH HANDS! Just In Time Training Biosecurity: Overview

Cleaning and Disinfection Procedure Cleaning Remove all organic matter Manure, dirt, feed Wash and rinse Disinfection Use proper concentration Allow proper contact time Read safety precautions Wear appropriate PPE Just In Time Training

Biosecurity: Overview Isolation Infected or exposed animals should be housed in separate areas Proper carcass disposal of euthanized or dead animals Just In Time Training

Biosecurity: Overview Wildlife Control Wildlife can carry diseases on and off the property Keep animals isolated from wildlife contact Ensure boundary measures are checked regularly and maintained Store food in a way that does not attract wildlife Just In Time Training Biosecurity: Overview

Vector Control Source reduction Prevent egg laying Minimizing long vegetation (e.g., mowing) Control adults Insecticides Spraying, fogging, baiting Minimize animal interaction Screens on buildings

Animal treatment Just In Time Training Biosecurity: Overview Resources USDA Foreign Animal Disease Preparedness (FAD PReP) Guidelines: Biosecurity http://www.aphis.usda.gov/animal_health/emrs/nahems.shtml Just In Time Training Biosecurity: Overview

Acknowledgments Development of this presentation was by the Center for Food Security and Public Health at Iowa State University through funding from the Multi-State Partnership for Security in Agriculture Authors: Sarah Viera, MPH; Glenda Dvorak, DVM, MPH, DACVPM

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