disease outbreak management 101 - aspca...
TRANSCRIPT
![Page 1: Disease Outbreak Management 101 - ASPCA Professionalaspcapro.org/sites/default/files/outbreakmanagement.… · · 2017-10-03Diplomate ABVP (Canine & Feline Practice, ... Outbreak](https://reader031.vdocuments.net/reader031/viewer/2022030515/5ac00b637f8b9aca388b784b/html5/thumbnails/1.jpg)
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Disease Outbreak Management 101
![Page 2: Disease Outbreak Management 101 - ASPCA Professionalaspcapro.org/sites/default/files/outbreakmanagement.… · · 2017-10-03Diplomate ABVP (Canine & Feline Practice, ... Outbreak](https://reader031.vdocuments.net/reader031/viewer/2022030515/5ac00b637f8b9aca388b784b/html5/thumbnails/2.jpg)
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Brian A. DiGangi, DVM, MSDiplomate ABVP (Canine & Feline Practice, Shelter Medicine Practice)
Your Presenter
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Outline
Facilities
Outbreak Management
• Holding• Quarantine• Isolation
• Stop the spread!• Diagnosis & isolation• Risk assessment• Decontamination• Communication• Documentation
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Holding
What?• Housing for animals awaiting next steps
Who?•Healthy animals•Not immediately available for adoption•± animals with non-contagious illness
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Holding
Why?• Awaiting examination, spay-neuter,
behavior evaluation, etc.
When?•Legal requirements•Intake housing
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Holding
Where?
In Shelter
Hold in place
Designated area
Out of Shelter
Foster home
Veterinary clinic
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If it’s there, you’ll use it!
Flow delays• Increased LOS• Crowding
Increased animal movement
• Stress• Disease
transmission
Do we need a “holding area”?
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How?
Holding
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What?• Housing for animals that may have been
exposed to infectious disease
Who?• Appear healthy - no clinical signs• Most susceptible animals
Quarantine
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Why?• Separation for observation• Allows response to vaccination
When?• Legal mandate (rabies)• During disease outbreak• Intake? Pre/post transport?
Quarantine
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Quarantine
Where?
In Shelter
Quarantine in place
Designated area
Out of Shelter
Veterinary clinic
Boarding kennel
Foster home
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Quarantine
How?
• Basic biosecurity needed-Assess mode of transmission-Observe traffic flow patterns
• Incubation period-Time from infection to the development of clinical signs
• All-in, all-out-Reset clock with every new addition or signs of disease
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Quarantine
Disease Typical Incubation Periods
Feline respiratory <1 weekCanine respiratory* 10-14 daysParvoviruses 14 daysRingworm 2-4 weeks*Longer for canine distemper virus
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Quarantine…or not?
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Isolation
What?• Housing for animals with contagious
disease
Who?• Animals with visible signs of illness
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Isolation
Why?
• Prevent further transmission• Allow individual observation and
treatment
When?
• Signs of illness: nasal discharge, coughing, sneezing, vomiting, diarrhea, hair loss, etc.
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Isolation
Where?
In Shelter
Aerosols
Physically separate
area
Fomite and vector
Designated areas
Isolate in place
Out of Shelter
Veterinary clinic
Foster home
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Isolation
• Strict biosecurity-Designated staff, equipment, supplies
• Isolate by mode of transmission• Respiratory (Aerosol – dogs; Fomites – cats)
• Gastrointestinal (Fomites, vectors)
• Dermatologic (Fomites, vectors, environment)
How?
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Isolation – Plan A
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Isolation – Plan A
K.Walsh
L.Guyton
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Isolation – Plan B
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Isolation – Plan C
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• Increase in frequency• Increase in severity• New disease• Multiple cases• Active transmission
Is it an outbreak?
Outbreak Management
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Outbreak Management
Stop the spread!Diagnose & IsolateAssess RiskDecontaminateCommunicateDocument
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Stop the spread!
GoalsMinimize further casesPrevent new exposures
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Stop the spread!
• Suspend intake• Divert intake• Vaccinate before intake• Identify uncontaminated area
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Diagnose & Isolate
GoalsCare for affected animals
Prevent further exposure and disease spread
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Diagnose & Isolate
• Establish criteria for diagnosis• Test clinically ill animals• Remove sick animals from
population• Cease movement of animals• Monitor for new cases
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Assess Risk
GoalsEstablish level of risk for exposed animals
Make management decisions
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Assess Risk
• Measure antibody titers• Evaluate clinical factors
• Low risk = adopt/transfer• High risk = quarantine
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Decontaminate
GoalsPrevent spreadEliminate pathogen from environment
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Decontaminate
• Heighten biosecurity protocols• Review traffic flow patterns• Enforce use of PPE• Discard contaminated items• Perform thorough sanitation
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Communicate
GoalsEnsure complianceProtect community animal healthMaintain positive relationships
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Communicate
• Train staff & volunteers• Contact recent adopters• Reach out to veterinary
practitioners• Local media
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Document
GoalsIdentify sourcePrevent recurrence
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Document
• Keep individual medical records• Analyze trends• Identify who, how, & which control
measures were effective• Review operations to mitigate risk
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Next Steps
1. Identify the best location for isolation of sick animals.
2. Identify a plan for suspending intake.
3. Create a outbreak response plan for the most common infectious disease in your shelter.
Stop the spread!Diagnose & IsolateAssess RiskDecontaminateCommunicateDocument