Lecture 3: Health Protection

Created by Izzy Hadley

What is health protection?
aims to protect public from exposure to hazards which damage health & to limit impact on health when exposures cannot be avoided

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TermDefinition
What is health protection?
aims to protect public from exposure to hazards which damage health & to limit impact on health when exposures cannot be avoided
Health protection services - surveillance
monitoring population health & hazards/exposures from communicable disease and environmental threats
How is health surveilled in scotland?
Scottish Environmental Incident Surveillance System (SEISS)
Health protection services - investigation
why & how people fall ill due to exposure to hazards & what can be done to prevent this
Health protection services - risk assessment
estimating probability of a population being exposed to a hazard which will damage their health &/or extent of that exposure or damage &/or impact of an intervention
Health protection services - risk protection
putting in place measures which reduce risk of exposure to hazards & impact it can have on health through prevention and control
Health protection services - risk communication
informing public about risks to their health & what they individually or collectively can do to reduce these
Health protection services - emergency response and maangement
responding to incidents/outbreaks to reduce number of cases of illness & other consequences to a minimum
Ten steps of outbreak management
Surveillance • Exclude artefact • Confirm diagnosis • Describe outbreak • Call OCT • Generate hypothesis • Test hypothesis • Control • Communicate • Document
Step 1 - Surveillance
Identify unusual event through • statutory notifications • clinical diagnoses • laboratory reports • ad-hoc tip offs
Step 2 - Exclude artefact
liaise with - Microbiologists - Clinicians - Environmental health officers or food safety officers
Step 3 - Confirm diagnosis
define case - Microbiological, Clinical, any other
Step 4 - Describe outbreak
Time, place, persons
Step 5 - Call Outbreak Control Team
Public health • Environmental health • Microbiology • Administrative support • Others – PHS/UKHSA, clinician, communications, technical experts • Government
Step 6 - Generate hypothesis
Using available information to make an educated guess on cause & source of outbreak • in depth wide-ranging interviews with cases and non-cases • biological plausibility
Step 7 - Test hypothesis
Microbiologically - from cases, vehicles or components • Environmentally - from history or inspection • Epidemiologically - descriptive or analytical Use case and control
Step 8 - Control
Exclusion orders - food-handlers • Closure of premises • Recall of food • Boil water/bottled water notices • Hazard warnings • Lockdowns!
Step 9 - Communicate
keep informed • colleagues • superiors • interested parties • press
Step 10 - Document and reflect
minimum dataset - for local and national use • outbreak control team report - essential to good practice • consider implications for advice and policy • publication in peer reviewed journal
Who has statutory responsibilities for health protection services in Scotland?
Public Health Scotland (government, NHS boards (14), local authorities)
Which organisations work to protect public health is scotland?
Government, health protection network, UK health security agency, NHS, local authorities, reference laboratories, SEPA, scottish water, food standards scotland
Across the UK and internationally, which organisations are involved?
Uk gov, health and safety executive, ECDC, WHO