the role of public health in the prevention of infectious diseases
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The Role of Public Health in the Prevention of Infectious Diseases . Public health measures typically involves eliminating the pathogen from its reservoir or from it route of transmission. Safe Water. - PowerPoint PPT PresentationTRANSCRIPT
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The Role of Public Health in the Prevention of
Infectious Diseases.
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Public health measurestypically involves eliminating the pathogen from its reservoir or from it route of transmission
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Safe WaterUS water used for
washing drinking, and preparing food is purified before it goes into homes to kill pathogens
Purified through settling, filtration, and chlorination
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Sewage Treatment and Disposal
Sewage includes washwater, water from toilets, and storm run-off
These fluids carry pathogens for diseases such as hepatitis
US government mandatesThat sewage be treatedTo eliminate pathogens
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Food SafetyUS has many
standards, inspection plans and regulations dealing with food preparation, handling, and distribution
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Meat-packing facilities areinspected to detect diseasedanimals and ensure standards for meat cutting andrefrigeration are observedRestaurants and supermarkets are inspected
Milk is pasturized, dated forsale, and is analyzed for contamination
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Animal Control Program
,
Animals carry many diseases that affect humans
Domestic herds are inspected for tuberculosis and brucellosis
Owners of pets must show proof of rabies vaccination.
Rabid animals must be destroyed
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Animal Control ProgramsBubonic plague
is spread by rats so rat control in urban areas is a public health effort
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Animal Control Program Insects carry many diseases suchas malariaNeed to eliminate insect breeding areas by 1. Draining areas where stagnant water collects 2. Using pesticides
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Vaccination ProgramsVaccination
programs mandate that children be vaccinated prior to starting school
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If a certain proportion of a population (treshold proportion) is immune to a disease, the pathogen that causes the disease will be unable to reproduce itself at a high enough level to maintain itself in the populationThis is called herd immunity and the pathogen could be eliminated from the population
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Public Health Organizations
Enforce regulations
Provide public health services
Monitor and report incidence of Disases to state and federal agencies
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National Institute of Health (NIH)
Is an agency of the US Department of Health and Human Services (DHHS)
Supports health-related research aimed at preventing, treating, and controlling infectious diseases
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Center of Disease Control and Prevention (CDC)
In Atlanta, GeorgiaInvestigates disease
outbreaks, publishes reports,
sponsors education
programs/ research, and reference labs
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Food and Drug Administration(FDA)
Monitors safety of food, medicines and other products
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World Health Organization (WHO)Provides
international surveillance
and control of disease
Coordinates multinational vaccination campaigns
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The End