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Understanding Population Epidemiological Transition: Stages and Impacts

This review explores the Population Epidemiological Transition (PET) in the context of Thompson's Demographic Transition Model (DTM) and population pyramids. It examines each stage from infectious diseases (Stage 1) to the emergence of degenerative diseases (Stage 3) and re-emerging infectious diseases (Stage 5). The implications for various populations, including those in More Developed Countries (MDCs) and Less Developed Countries (LDCs), are discussed. Additionally, key concepts like Malthusian theories, population concentrations, and the impact of the medical revolution are highlighted.

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Understanding Population Epidemiological Transition: Stages and Impacts

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  1. Unit 2 Test Review Population

  2. Epidemiological Transition(compare to Thompson’s DTM) and to population pyramids • Stage 1 infectious and parasitic diseases • Bubonic plague, smallpox, lucky to survive • Stage 2 spread of pandemic diseases • Cholera, influenze (WWI) • Stage 3 degenerative diseases • Cancer, cardiovascular, diabetes (death rates up) • Stage 4 delayed degenerative diseases • Cardiovascular and cancer with lower mortality rate • Stage 5 re-emergence of infectious/parasitic disease • MRSA, TB, malaria, whooping cough…anti-biotic resistant

  3. Terms/concepts to review(in addition to vocab list) • Concentrations of population • Where (geographically/MDC or LDC), why, • Stage 5 countries – solution? • Arithmetic, physiological, agricultural • Malthus • Cornucopians (more land, fertilizer, seeds) • Boserup • Population pyramid that is narrowest*** • Medical revolution and Stage 2 and diffusion • Mayans – video • Conception Day • Demographic momentum

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