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6.2 Diseases & Transmission
Types of Diseases
Communicable Disease:
Transmittable from person to person.
Non-communicable Disease:
Not transmittable from person to person.
Endemic Disease:
Constantly present in a specific population/area.
Epidemic Disease:
Widespread occurrence in a community at a particular time.
Pandemic Disease:
Epidemic spread across a large region (multiple continents/worldwide).
Sporadic Disease:
Occurs infrequently and irregularly.
Modes of Transmission
Airborne:
Transmitted through the air.
Waterborne:
Transmitted through contaminated water.
Vectors:
Transmitted by animals.
Housefly:
Cholera, typhoid fever.
Mosquito:
Malaria, dengue fever.
Cockroach:
Salmonellosis, gastroenteritis.