What are communicable diseases ?
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Communicable diseases are those diseases which spread from an infected person to a healthy person by the entry of microorganisms or pathogens. These diseases are caused by the germs known as pathogens. Example: Chicken pox, Malaria, Typhoid, etc.
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Give two examples of Vectors
What is a non-communicable disease ?
How can we control spreading of diseases by mosquitoes and houseflies ?
Public hygiene is equally important as personal hygiene. Give reasons.