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प्रश्न
What are communicable diseases ?
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उत्तर
Those disease which spread from one person to another by the entry of microorganisms are known as communicable diseases.
Diseases which spread from an infected person to a healthy person are called communicable or infectious diseases. These diseases are caused through infections by microbes called pathogens.
Example: Cholera, typhoid, cold, malaria, AIDS.
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