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Epidemiology
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Epidemiology

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Published in: Health & Medicine

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  • 1. GOOD MORNING
  • 2. EPIDEMOLOGICAL TRIAD
  • 3.
    • The occurrence and manifestation of any disease whether communicable or non communicable are determined by the interactions between the AGENT , the HOST and the ENVIRONMENT which together constitute the EPIDEMIOLOGICAL TRIAD
  • 4. THE AGENT
  • 5. DEFINITION
    • Defined ‘as an organism, a substance or a force, the presence or lack of which may initiate a disease process or may cause it to continue.’
  • 6. CLASSIFICATION
    • LIVING OR BIOLOGICAL AGENTS
      • BACTERIA
      • VIRUS
      • FUNGI