• High temperature, antiseptics, antibiotics, saline solutions, dehydration and ultraviolet radiations are used to kill or inhibit the growth of micro organisms.
• Vectors are animals that transmit diseases causing organisms. Insects and rodents are important vectors. They are usually controlled by physical, chemical and biological methods. A knowledge of the habit and life cycle of a vector helps us to eradicate it's living and breeding places, and prevents it from reaching it's food supply.
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