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Environmental Health

Chapter 3 Chronic & Infectious Diseases


  1. Human Diseases
    1. Chronic Diseases
    1. Infectious Diseases

 


 

 

 

 

Characteristic

Chronic Disease

Infectious Disease

Cause

Lifestyle/Environment

Exposure to Biol. Agent

Timeline

Slow onset; long-lasting

Acute; sudden onset

Outcome

No recovery

Rapid recovery

    1. Environmental influences of disease
    1. Modes of transmission of disease
    1. Air 2) Water
    1. Food 4) Fomites
    1. Animals 6) Insects
  1. Infectious Diseases
    1. Diseases Transmitted by Intestinal Discharges
    1. Diseases spread by nose & throat discharges
    1. Diseases of animals transmittable to humans
    1. Arthropod-borne diseases
    1. Mosquitoes
    1. Ticks
    1. Flies
    1. Roaches