1. Contributing causes are factors which make an individual prone to catch a disease, e.g., undernourishment, defective heredity, poor public health services.

    Contributing causes are factors which make an individual prone to catch a disease, e.g., undernourishment, defective heredity, poor public health services.

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  2. Immediate, precipitating or first level of cause of a disease is the actual agent or factor that causes the disease, e.g.,Virus in common diarrhoea.

    Immediate, precipitating or first level of cause of a disease is the actual agent or factor that causes the disease, e.g.,Virus in common diarrhoea.

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  3. An acute disease is a short duration disease which often has a relatively severe course.

    An acute disease is a short duration disease which often has a relatively severe course.

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  4. Proper balanced food, personal hygiene, timely vaccinations and personal protection from pests and vectors.

    Proper balanced food, personal hygiene, timely vaccinations and personal protection from pests and vectors.

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  5. Disease (dis = without ‘ ease = comfort) or disorder of the body or its part.

    Disease (dis = without ‘ ease = comfort) or disorder of the body or its part.

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