decontamination during human biological incidents presented by the ohio department of health...
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Decontamination During Decontamination During Human Biological IncidentsHuman Biological Incidents
Presented byPresented by
The Ohio Department of HealthThe Ohio Department of HealthDisaster Preparedness & Response ProgramDisaster Preparedness & Response Program
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Our Decontamination FocusOur Decontamination Focus
Nuclear devices/material
Biological weapons
Chemical weapons
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Potential List of Biological AgentsPotential List of Biological Agents
Anthrax (bacteria)
Plague (bacteria)
Smallpox (virus)
Ebola/Other Viral Hemorrhagic Fevers (virus)
Ricin (toxin)
Botulinum (toxin)
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About BiologicalsAbout Biologicals
Biological incidents involve bacteria, viruses and bacteria, viruses and
toxinstoxins Detection monitors are currently unavailable Most likely dispersed as aerosols with simple
technologies: Yard sprayers A plane or boat upwind
Might be delivered by oral ingestion
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About BiologicalsAbout Biologicals
Routes of entry Deliberate incident is
usually through inhalation & ingestion
Infectious versus communicable
Usually have an incubation period
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Decon/Infection ControlDecon/Infection Control
Decon: The process of removing or neutralizing an external hazard from a person, the property or the environment.
Disinfection: Selective elimination of undesirable microorganisms to prevent their transmission (or removal of infectious organisms below necessary level to cause infection).
Sterilization: Complete killing of all organisms.
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Decontamination after Biological Release
Material often unnecessary less relevant than
for chemical attack 5.0% bleach more
than adequate 0.1% bleach kills
anthrax spores
People decon rarely
needed less relevant than
for chemical attack soap and water
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Key PointsKey Points
Biological decon is different from chemical decon
People can be injured by inappropriate decon:
Physical harm Psychological harm
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DecontaminationDecontamination ChecklistChecklist
What are we decontaminating? Which decon are we using - biological or
chemical? Is decontamination possible?Is decontamination possible? Who needs decontamination? What level of protection is needed for those in
area? for the responders?
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DeconDecon
Removes but does not necessarily neutralize an agent
Decon cannot kill or render an infectious
disease harmless in a human
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Bio Decon Bio Decon
1. Immediately wash exposed skin with soap and water
2. Remove clothes and bag for evidence3. Soap and water shower
Steps 2 and 3 can be done at homeSteps 2 and 3 can be done at home
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Why Showering is EnoughWhy Showering is Enough
Agent does not re-aerosolize
Agent must be “device driven” for effectiveness
Intact skin is THE best protection
Agent already captured in lungs, gastrointestinal tract, or open wounds
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The Use of Chemicals in The Use of Chemicals in Bio DeconBio Decon
Disinfectants (chemicals) can make agent
harmless with time and contact (e.g. bleach or
hypochlorite solution)
Not recommended for decon of people
Surfaces and equipment - YES
People - NO
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Ohio GuidelinesOhio Guidelines
Weapons ofWeapons of
Mass DestructionMass Destruction
BioterrorismBioterrorism
ProtocolProtocol
PROCEDURES FOR LOCAL, STATE AND FEDERAL PERSONNEL AND AGENCIES
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BioterrorismBioterrorism
There are a number of things which make this type of incident different from others
Non-traditional responders involved
The incident is a crime scene
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Local Dispatch & 911 CentersLocal Dispatch & 911 Centers
Initial dispatch call should include: EMA Fire/EMS Law enforcement Hospitals
Secondary notification should include: FBI Local health department
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Agencies InvolvedAgencies Involved
Locally EMA EMS Fire Health Dept Hospital Law Enforcement Poison Control
State & Federal CDC EMA FBI OSP State Dept Of Health USPHS
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Medical community response
Epidemiology and public health
response
Calls to 9-1-1 & EMS response
Detection of Covert Biological Detection of Covert Biological AttacksAttacks
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Covert Incident Will be Hard Covert Incident Will be Hard to Recognizeto Recognize
Symptoms resemble other sicknesses May not surface for 3 or 4 days Physicians may not be familiar
with symptoms Mortality will be expected Lab analysis must be expedited in any
case
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Questions?Questions?
Review Points:Review Points: Biological and chemical
decontamination procedures are different
WATER ONLY, please People can be injured by inappropriate
decon The Ohio Guidelines provide procedures
for dealing with biological incidents