all diseases have immediate and contributory causes.justify
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Contributory causes are factors, which do not cause the disease themselves but provide conditions for the disease to occur. Virus causing diarrhoea is the immediate cause. Contaminated drinking water and lack of resistance due to under-nourishment are the contributory causes.
(i) Immediate cause of disease are infectious organisms like virus, bacteria, fungi, protozoan etc. ... (b) Poor hygiene condition, economic condition due to which one does not get proper and sufficient food. ... What are the different means by which infectious diseases are spread?
(i) Immediate cause of disease are infectious organisms like virus, bacteria, fungi, protozoan etc. ... (b) Poor hygiene condition, economic condition due to which one does not get proper and sufficient food. ... What are the different means by which infectious diseases are spread?
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