What is the mode of transmission of communicable diseases?

Communicable disease:

1. Communicable diseases are infectious diseases that are caused by a number of disease causing organisms called pathogens like bacteria, fungi, and protozoans.
2. These type of diseases spreads rapidly from one person to another by various means like contact, water, air, contaminated food etc.
3. Examples of communicable diseases include cholera, typhoid, malaria etc.