Objectives
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Trace the origins of public health.
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Identify key milestones in public health history.
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Understand how historical events shaped current health systems.
Key Content
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Ancient Public Health: Early sanitation systems in Indus Valley & Rome.
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Middle Ages: Impact of plagues, quarantine systems.
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19th Century: Germ theory by Louis Pasteur, improved sanitation by John Snow’s cholera study.
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20th Century: Vaccination programs, eradication of smallpox, public health acts.
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21st Century: Focus on non-communicable diseases, global pandemics, health equity.
Summary
Public health has evolved from basic sanitation practices to advanced global health systems addressing both infectious and chronic diseases.
Review Questions
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Mention one key public health achievement from the 19th century.
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What was John Snow known for in public health history?