Do Communicable Diseases Have Infecting Agents?

Communicable (also known as infectious or transmissible) diseases are caused by microorganisms such as bacteria, viruses, parasites and fungi that can be spread, directly or indirectly, from one person to another.

What are the agents of communicable diseases?

Communicable diseases are caused by infectious agents that can be transmitted to susceptible individuals from an infected person, or from other animals, objects or the environment. Infectious agents include helminths, protozoa, bacteria, viruses and fungi.

Can communicable diseases be spread from person to person?

A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.