Zoonotic Disease Zoonosis Disease of animals Transmitted to humans Under natural conditions Awareness of routes of transmission Develop strategy to minimize risk JustInTime Training ID: 933936
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Slide1
Health and Safety
Zoonoses: Risks and Prevention
Slide2Zoonotic Disease
Zoonosis
Disease of animals
Transmitted to humansUnder natural conditionsAwareness of routes of transmission Develop strategy to minimize risk
Just-In-Time Training
Zoonoses Risk and Prevention
Dorland’s Illustrated Medical Dictionary, 28th Edition
Slide3Disease Transmission
Direct
Contact
IngestionAerosolIndirectFomitesInanimate objectsVectorsLiving organism (e.g., insects)
Just-In-Time Training
Zoonoses Risk and Prevention
Slide4Direct Transmission
Direct contact
Body fluids
Urine, fecesSaliva, bloodMilkTissuesLesionsCarcassParturition
AerosolDroplets spread through the airClose proximity
Enclosed barnsCoughing, sneezing
Contaminated soilIngestionContaminated food or waterContaminated meat from infected animalJust-In-Time TrainingZoonoses Risk and Prevention
Slide5Indirect Transmission
Just-In-Time Training
Zoonoses Risk and Prevention
Fomites
Contaminated
inanimate object
Buckets, shovelsVehicles, clothingVectorLiving organismtransfers disease between animalsMosquitoes, ticks, biting midges, fliesEnvironmentSoilOrganic material
Slide6Points to Remember
Animals may not exhibit
obvious signs of disease
ReservoirHarbors pathogen without illnessCan be source of infection for others
Not all pathogens spreadby all routes of
transmission
Just-In-Time TrainingZoonoses Risk and Prevention
Slide7Example Zoonoses
Anthrax
Avian influenza
BrucellosisCryptosporidiosisE. coli LeptospirosisQ Fever RabiesRingworm
Salmonellosis Tuberculosis Vesicular stomatitis
Just-In-Time Training
Zoonoses Risk and Prevention
Slide8Preventing exposure
Just-In-Time Training
Zoonoses Risk and Prevention
Slide9Zoonoses Prevention
Hand washing
After
animal contactBefore eating, drinkingLimit contact with animalsNo food or drink inanimal areas
Just-In-Time Training
Zoonoses Risk and Prevention
Slide10Personal Protective Equipment
Gloves
Creates a barrier between
you and the diseaseEspecially for hands withcuts, abrasions, chappedWash hands after removing glovesCoveralls, bootsMask,
goggles
Just-In-Time Training
Zoonoses Risk and Prevention
Slide11Cleaning and Disinfection
Manure properly handled
and removed
Does not contaminatedrinking water or equipmentClean, disinfect soiled equipmentClean and disinfect(
or dispose of)PPE after
response activity Wash hands after removing any PPE
Just-In-Time TrainingZoonoses Risk and Prevention
Slide12Aerosol
Adequate ventilation
Control dust
Wear masks in certain situationsHandling infectiousanimals or their tissues Assisting with calvingPower washing
Just-In-Time Training
Zoonoses Risk and Prevention
Slide13Vector Control
Source reduction
Habitat reduction/elimination
Parasitic or predatory insectsControl adultsInsecticidesKnockdown and residual spraysBaits, fly trapsMinimize interaction with insectsPersonal protection
Just-In-Time Training
Zoonoses Risk and Prevention
Slide14Biosecurity for Zoonotic Diseases
Route of Transmission
Possible Biosecurity
Measures
Direct ContactLimit contact with
infected animals Hand washing Personal protective equipment
Fomites Cleaning and disinfection proceduresHand washingPersonal protective equipmentAerosolPersonal protective equipmentIngestionCleaning and disinfection proceduresVectors (e.g., insects)Pest management proceduresJust-In-Time TrainingZoonoses Risk and Prevention
Slide15Acknowledgments
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
Author: Glenda Dvorak, DVM, MPH, DACVPM