write five difference between infectious and non infectious agents
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Infectious diseases
These occur due to external (extrinsic) factors.
These are cause by the attack of pathogens (viruses, bacteria, fungi, protozoans, worms)
Infection is transmitted through direct contact (physical contact, sexual contact) or through medium (air, water, food, insects etc.)
non infectious diseases
These generally occur due to internal (intrinsic) factors.
These are caused by factors other than living pathogens.
Infection is not transmitted through direct contact or through medium except in medium hereditary diseases where it occurs from parent offspring
Explanation:
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