Community Nutrition

1. INTRODUCTION, DEFINITIONS AND BASIC LEHNOLOGIES
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INFECTIOUS DISEASE: A clinically mutest disease of mammals result
CONTAGIOUS DISEASE: A disease that is transmitted through contact
COMMUNICABLE DISEASE: An illness due to specific mlechts agent or its to sc, capable of being directly
or indirectly transmitted from individual to matinal sironment to humans, or animals
FREQUENCY: No of occurrences of health related events. It is a relationship betwech
raber health related events and size of population.
DISTRIBUTION: Description of disease with reference to who (person), when (time) and where (place).
& DETERMINANTS: These are the factors which are mainly responsible for the
occurence of disease. There are two types of determinants.
1 Primary determinants
11. Secondary determinants
1 Primary Determinants: Main etiological agents are primary determinants. There are Avided into 3
types.

2. Biological: Vinuses, bacteria, fangi, rickettsia. Physical: Heal, cold, humidity, pressure, radiation.
• Chemical: Drugs, acid, alkali, poisons, dust allergy, fumes allergy.
11. Secondary Determinants: Help in the progression of disease.
Host factors
Environmental factors.