Question

Define communicable disease. Give suitable examples.

Answer 1

Communicable disease:

1. A disease is an abnormal condition of an organism due to infection, weakness, stress, etc. which disturbs the normal functioning of the organism.
2. The diseases which can be transmitted from an infected person to a healthy person are called communicable diseases.
3. These are also called infectious diseases.
4. Disease-causing germs, called pathogens or causative agents such as bacteria, fungus, viruses, and protozoan are the root cause of communicable diseases.
5. Examples of communicable diseases are measles and Influenza.